Home / 18,149.62-25,045.11-10,190.33

Finding the Fourth Proportional to 18,149.62, 25,045.11 and 10,190.33

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Solution

The fourth proportional to 18,149.62, 25,045.11 and 10,190.33 is: 14,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.62 : 25,045.11 = 10,190.33 : x
  2. Step 2: Convert to fraction form
    18,149.62/25,045.11 = 10,190.33/x
  3. Step 3: Cross multiply
    18,149.62x = 25,045.11 × 10,190.33
  4. Step 4: Simplify right side
    18,149.62x = 255,217,810.56
  5. Step 5: Solve for x
    x = 255,217,810.56/18,149.62
  6. Step 6: Final answer
    x = 14,061.88

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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.