Home / 18,372.23-25,354.55-10,414.61

Finding the Fourth Proportional to 18,372.23, 25,354.55 and 10,414.61

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Solution

The fourth proportional to 18,372.23, 25,354.55 and 10,414.61 is: 14,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,372.23 : 25,354.55 = 10,414.61 : x
  2. Step 2: Convert to fraction form
    18,372.23/25,354.55 = 10,414.61/x
  3. Step 3: Cross multiply
    18,372.23x = 25,354.55 × 10,414.61
  4. Step 4: Simplify right side
    18,372.23x = 264,057,697.90
  5. Step 5: Solve for x
    x = 264,057,697.90/18,372.23
  6. Step 6: Final answer
    x = 14,372.65

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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.