Home / 16,781.26-25,170.16-5,687.66

Finding the Fourth Proportional to 16,781.26, 25,170.16 and 5,687.66

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Solution

The fourth proportional to 16,781.26, 25,170.16 and 5,687.66 is: 8,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.26 : 25,170.16 = 5,687.66 : x
  2. Step 2: Convert to fraction form
    16,781.26/25,170.16 = 5,687.66/x
  3. Step 3: Cross multiply
    16,781.26x = 25,170.16 × 5,687.66
  4. Step 4: Simplify right side
    16,781.26x = 143,159,312.23
  5. Step 5: Solve for x
    x = 143,159,312.23/16,781.26
  6. Step 6: Final answer
    x = 8,530.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.