Home / 16,790.13-25,156.02-11,781.90

Finding the Fourth Proportional to 16,790.13, 25,156.02 and 11,781.90

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Solution

The fourth proportional to 16,790.13, 25,156.02 and 11,781.90 is: 17,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.13 : 25,156.02 = 11,781.90 : x
  2. Step 2: Convert to fraction form
    16,790.13/25,156.02 = 11,781.90/x
  3. Step 3: Cross multiply
    16,790.13x = 25,156.02 × 11,781.90
  4. Step 4: Simplify right side
    16,790.13x = 296,385,712.04
  5. Step 5: Solve for x
    x = 296,385,712.04/16,790.13
  6. Step 6: Final answer
    x = 17,652.38

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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.