Home / 18,149.50-25,050.66-11,081.92

Finding the Fourth Proportional to 18,149.50, 25,050.66 and 11,081.92

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Solution

The fourth proportional to 18,149.50, 25,050.66 and 11,081.92 is: 15,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.50 : 25,050.66 = 11,081.92 : x
  2. Step 2: Convert to fraction form
    18,149.50/25,050.66 = 11,081.92/x
  3. Step 3: Cross multiply
    18,149.50x = 25,050.66 × 11,081.92
  4. Step 4: Simplify right side
    18,149.50x = 277,609,410.07
  5. Step 5: Solve for x
    x = 277,609,410.07/18,149.50
  6. Step 6: Final answer
    x = 15,295.71

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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.