Home / 16,691.20-25,027.60-11,432.24

Finding the Fourth Proportional to 16,691.20, 25,027.60 and 11,432.24

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Solution

The fourth proportional to 16,691.20, 25,027.60 and 11,432.24 is: 17,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,691.20 : 25,027.60 = 11,432.24 : x
  2. Step 2: Convert to fraction form
    16,691.20/25,027.60 = 11,432.24/x
  3. Step 3: Cross multiply
    16,691.20x = 25,027.60 × 11,432.24
  4. Step 4: Simplify right side
    16,691.20x = 286,121,529.82
  5. Step 5: Solve for x
    x = 286,121,529.82/16,691.20
  6. Step 6: Final answer
    x = 17,142.06

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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.