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Finding the Fourth Proportional to 18,872.59, 26,044.15 and 10,375.25

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Solution

The fourth proportional to 18,872.59, 26,044.15 and 10,375.25 is: 14,317.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,872.59 : 26,044.15 = 10,375.25 : x
  2. Step 2: Convert to fraction form
    18,872.59/26,044.15 = 10,375.25/x
  3. Step 3: Cross multiply
    18,872.59x = 26,044.15 × 10,375.25
  4. Step 4: Simplify right side
    18,872.59x = 270,214,515.41
  5. Step 5: Solve for x
    x = 270,214,515.41/18,872.59
  6. Step 6: Final answer
    x = 14,317.83

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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.