Home / 16,781.24-25,137.30-9,839

Finding the Fourth Proportional to 16,781.24, 25,137.30 and 9,839

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Solution

The fourth proportional to 16,781.24, 25,137.30 and 9,839 is: 14,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.24 : 25,137.30 = 9,839 : x
  2. Step 2: Convert to fraction form
    16,781.24/25,137.30 = 9,839/x
  3. Step 3: Cross multiply
    16,781.24x = 25,137.30 × 9,839
  4. Step 4: Simplify right side
    16,781.24x = 247,325,894.70
  5. Step 5: Solve for x
    x = 247,325,894.70/16,781.24
  6. Step 6: Final answer
    x = 14,738.24

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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.