Home / 18,612.17-27,862.86-11,194.13

Finding the Fourth Proportional to 18,612.17, 27,862.86 and 11,194.13

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Solution

The fourth proportional to 18,612.17, 27,862.86 and 11,194.13 is: 16,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612.17 : 27,862.86 = 11,194.13 : x
  2. Step 2: Convert to fraction form
    18,612.17/27,862.86 = 11,194.13/x
  3. Step 3: Cross multiply
    18,612.17x = 27,862.86 × 11,194.13
  4. Step 4: Simplify right side
    18,612.17x = 311,900,337.70
  5. Step 5: Solve for x
    x = 311,900,337.70/18,612.17
  6. Step 6: Final answer
    x = 16,757.88

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1.5x scale

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.