Question

find the value of month of the following:
() 20:10 =x:4
​

Answer 1

Step-by-step explanation:

20 : 10 = x : 4

10x = 80

x = 80/10

x = 8

Answer 2

Answer:

8

Step-by-step explanation:

Let Unknown value be "x".

20:10 and x:4 are in proportion.

Therefore product of means=product of extremes.

So,in 20:10=x:4

10 and x are means and 20 and 4 are extremes.

Therefore 20*4=10*x

Therefore x=(20*4)/10

x=80/10

Therefore x=8