Home / 18,872.52-26,044.40-10,489.04

Finding the Fourth Proportional to 18,872.52, 26,044.40 and 10,489.04

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Solution

The fourth proportional to 18,872.52, 26,044.40 and 10,489.04 is: 14,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.52 : 26,044.40 = 10,489.04 : x
  2. Step 2: Convert to fraction form
    18,872.52/26,044.40 = 10,489.04/x
  3. Step 3: Cross multiply
    18,872.52x = 26,044.40 × 10,489.04
  4. Step 4: Simplify right side
    18,872.52x = 273,180,753.38
  5. Step 5: Solve for x
    x = 273,180,753.38/18,872.52
  6. Step 6: Final answer
    x = 14,475.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.