Home / 16,961.92-25,451.56-8,087.28

Finding the Fourth Proportional to 16,961.92, 25,451.56 and 8,087.28

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Solution

The fourth proportional to 16,961.92, 25,451.56 and 8,087.28 is: 12,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.92 : 25,451.56 = 8,087.28 : x
  2. Step 2: Convert to fraction form
    16,961.92/25,451.56 = 8,087.28/x
  3. Step 3: Cross multiply
    16,961.92x = 25,451.56 × 8,087.28
  4. Step 4: Simplify right side
    16,961.92x = 205,833,892.16
  5. Step 5: Solve for x
    x = 205,833,892.16/16,961.92
  6. Step 6: Final answer
    x = 12,135.06

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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.