Home / 25,720.23-38,570.55-9,077.16

Finding the Fourth Proportional to 25,720.23, 38,570.55 and 9,077.16

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Solution

The fourth proportional to 25,720.23, 38,570.55 and 9,077.16 is: 13,612.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.23 : 38,570.55 = 9,077.16 : x
  2. Step 2: Convert to fraction form
    25,720.23/38,570.55 = 9,077.16/x
  3. Step 3: Cross multiply
    25,720.23x = 38,570.55 × 9,077.16
  4. Step 4: Simplify right side
    25,720.23x = 350,111,053.64
  5. Step 5: Solve for x
    x = 350,111,053.64/25,720.23
  6. Step 6: Final answer
    x = 13,612.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.