Answer: The required value of x is [tex]\dfrac{4}{19}.[/tex]
Step-by-step explanation: Given that the following equation relates proportional quantities x and y :
[tex]y=19x~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]
We are to find the value of x when y is 4.
To find the value of x, we must substitute y = 4 in equation (i) and find the corresponding value of x.
From equation (i), we get
[tex]y=19x\\\\\Rightarrow 4=19x\\\\\Rightarrow x=\dfrac{4}{19}.[/tex]
Thus, the required value of x is [tex]\dfrac{4}{19}.[/tex]
