Home / 16,310.40-22,500.11-9,591.75

Finding the Fourth Proportional to 16,310.40, 22,500.11 and 9,591.75

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Solution

The fourth proportional to 16,310.40, 22,500.11 and 9,591.75 is: 13,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,310.40 : 22,500.11 = 9,591.75 : x
  2. Step 2: Convert to fraction form
    16,310.40/22,500.11 = 9,591.75/x
  3. Step 3: Cross multiply
    16,310.40x = 22,500.11 × 9,591.75
  4. Step 4: Simplify right side
    16,310.40x = 215,815,317.59
  5. Step 5: Solve for x
    x = 215,815,317.59/16,310.40
  6. Step 6: Final answer
    x = 13,231.77

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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.