Question

find x of 13 : x : : 65 : 20 step by step explanation​

Answer 1

Answer:

x=4

Step-by-step explanation:

13/x=65/20

therefore x=4

Answer 2

Answer:

x=4

Step-by-step explanation:

13:x::65:20

as we know

$ptoduct \: of \: extreme \: is \: = product \: of \: mean$

I.e a×d=b×c

13×20=x×65

=x=13×20/65=260/65=4

hence x=4

let's prove it

a×d=13×20=260

c×b=65×4=260

hence proved that x=4