Home / 25,753.46-38,631.13-9,115.25

Finding the Fourth Proportional to 25,753.46, 38,631.13 and 9,115.25

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Solution

The fourth proportional to 25,753.46, 38,631.13 and 9,115.25 is: 13,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,753.46 : 38,631.13 = 9,115.25 : x
  2. Step 2: Convert to fraction form
    25,753.46/38,631.13 = 9,115.25/x
  3. Step 3: Cross multiply
    25,753.46x = 38,631.13 × 9,115.25
  4. Step 4: Simplify right side
    25,753.46x = 352,132,191.79
  5. Step 5: Solve for x
    x = 352,132,191.79/25,753.46
  6. Step 6: Final answer
    x = 13,673.20

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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.