Home / 18,372.68-25,354.56-10,414.73

Finding the Fourth Proportional to 18,372.68, 25,354.56 and 10,414.73

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Solution

The fourth proportional to 18,372.68, 25,354.56 and 10,414.73 is: 14,372.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.68 : 25,354.56 = 10,414.73 : x
  2. Step 2: Convert to fraction form
    18,372.68/25,354.56 = 10,414.73/x
  3. Step 3: Cross multiply
    18,372.68x = 25,354.56 × 10,414.73
  4. Step 4: Simplify right side
    18,372.68x = 264,060,769.90
  5. Step 5: Solve for x
    x = 264,060,769.90/18,372.68
  6. Step 6: Final answer
    x = 14,372.47

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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.