Home / 17,107.20-25,644.60-5,414.04

Finding the Fourth Proportional to 17,107.20, 25,644.60 and 5,414.04

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Solution

The fourth proportional to 17,107.20, 25,644.60 and 5,414.04 is: 8,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,107.20 : 25,644.60 = 5,414.04 : x
  2. Step 2: Convert to fraction form
    17,107.20/25,644.60 = 5,414.04/x
  3. Step 3: Cross multiply
    17,107.20x = 25,644.60 × 5,414.04
  4. Step 4: Simplify right side
    17,107.20x = 138,840,890.18
  5. Step 5: Solve for x
    x = 138,840,890.18/17,107.20
  6. Step 6: Final answer
    x = 8,115.93

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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.