Home / 17,149.24-25,721.70-6,761.80

Finding the Fourth Proportional to 17,149.24, 25,721.70 and 6,761.80

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Solution

The fourth proportional to 17,149.24, 25,721.70 and 6,761.80 is: 10,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.24 : 25,721.70 = 6,761.80 : x
  2. Step 2: Convert to fraction form
    17,149.24/25,721.70 = 6,761.80/x
  3. Step 3: Cross multiply
    17,149.24x = 25,721.70 × 6,761.80
  4. Step 4: Simplify right side
    17,149.24x = 173,924,991.06
  5. Step 5: Solve for x
    x = 173,924,991.06/17,149.24
  6. Step 6: Final answer
    x = 10,141.85

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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.