Home / 17,838.50-26,755.61-4,691.90

Finding the Fourth Proportional to 17,838.50, 26,755.61 and 4,691.90

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Solution

The fourth proportional to 17,838.50, 26,755.61 and 4,691.90 is: 7,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,838.50 : 26,755.61 = 4,691.90 : x
  2. Step 2: Convert to fraction form
    17,838.50/26,755.61 = 4,691.90/x
  3. Step 3: Cross multiply
    17,838.50x = 26,755.61 × 4,691.90
  4. Step 4: Simplify right side
    17,838.50x = 125,534,646.56
  5. Step 5: Solve for x
    x = 125,534,646.56/17,838.50
  6. Step 6: Final answer
    x = 7,037.29

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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.