Home / 23,099.28-31,877.04-12,488.92

Finding the Fourth Proportional to 23,099.28, 31,877.04 and 12,488.92

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Solution

The fourth proportional to 23,099.28, 31,877.04 and 12,488.92 is: 17,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.28 : 31,877.04 = 12,488.92 : x
  2. Step 2: Convert to fraction form
    23,099.28/31,877.04 = 12,488.92/x
  3. Step 3: Cross multiply
    23,099.28x = 31,877.04 × 12,488.92
  4. Step 4: Simplify right side
    23,099.28x = 398,109,769.54
  5. Step 5: Solve for x
    x = 398,109,769.54/23,099.28
  6. Step 6: Final answer
    x = 17,234.73

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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.