Home / 15,499.92-23,251.32-8,913.36

Finding the Fourth Proportional to 15,499.92, 23,251.32 and 8,913.36

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Solution

The fourth proportional to 15,499.92, 23,251.32 and 8,913.36 is: 13,370.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.92 : 23,251.32 = 8,913.36 : x
  2. Step 2: Convert to fraction form
    15,499.92/23,251.32 = 8,913.36/x
  3. Step 3: Cross multiply
    15,499.92x = 23,251.32 × 8,913.36
  4. Step 4: Simplify right side
    15,499.92x = 207,247,385.64
  5. Step 5: Solve for x
    x = 207,247,385.64/15,499.92
  6. Step 6: Final answer
    x = 13,370.87

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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.