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Finding the Fourth Proportional to 18,010.26, 24,854.54 and 9,943.89

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Solution

The fourth proportional to 18,010.26, 24,854.54 and 9,943.89 is: 13,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,010.26 : 24,854.54 = 9,943.89 : x
  2. Step 2: Convert to fraction form
    18,010.26/24,854.54 = 9,943.89/x
  3. Step 3: Cross multiply
    18,010.26x = 24,854.54 × 9,943.89
  4. Step 4: Simplify right side
    18,010.26x = 247,150,766.71
  5. Step 5: Solve for x
    x = 247,150,766.71/18,010.26
  6. Step 6: Final answer
    x = 13,722.78

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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.