Home / 22,251.53-30,705.78-12,177.97

Finding the Fourth Proportional to 22,251.53, 30,705.78 and 12,177.97

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Solution

The fourth proportional to 22,251.53, 30,705.78 and 12,177.97 is: 16,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.53 : 30,705.78 = 12,177.97 : x
  2. Step 2: Convert to fraction form
    22,251.53/30,705.78 = 12,177.97/x
  3. Step 3: Cross multiply
    22,251.53x = 30,705.78 × 12,177.97
  4. Step 4: Simplify right side
    22,251.53x = 373,934,067.67
  5. Step 5: Solve for x
    x = 373,934,067.67/22,251.53
  6. Step 6: Final answer
    x = 16,804.87

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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.