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Finding the Fourth Proportional to 18,149.97, 25,044.25 and 10,190.65

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Solution

The fourth proportional to 18,149.97, 25,044.25 and 10,190.65 is: 14,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.97 : 25,044.25 = 10,190.65 : x
  2. Step 2: Convert to fraction form
    18,149.97/25,044.25 = 10,190.65/x
  3. Step 3: Cross multiply
    18,149.97x = 25,044.25 × 10,190.65
  4. Step 4: Simplify right side
    18,149.97x = 255,217,135.31
  5. Step 5: Solve for x
    x = 255,217,135.31/18,149.97
  6. Step 6: Final answer
    x = 14,061.57

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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.