Home / 18,318.10-25,251.42-14,332.29

Finding the Fourth Proportional to 18,318.10, 25,251.42 and 14,332.29

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Solution

The fourth proportional to 18,318.10, 25,251.42 and 14,332.29 is: 19,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.10 : 25,251.42 = 14,332.29 : x
  2. Step 2: Convert to fraction form
    18,318.10/25,251.42 = 14,332.29/x
  3. Step 3: Cross multiply
    18,318.10x = 25,251.42 × 14,332.29
  4. Step 4: Simplify right side
    18,318.10x = 361,910,735.13
  5. Step 5: Solve for x
    x = 361,910,735.13/18,318.10
  6. Step 6: Final answer
    x = 19,757.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.