Home / 22,712.91-33,843.60-20,228.61

Finding the Fourth Proportional to 22,712.91, 33,843.60 and 20,228.61

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Solution

The fourth proportional to 22,712.91, 33,843.60 and 20,228.61 is: 30,141.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.91 : 33,843.60 = 20,228.61 : x
  2. Step 2: Convert to fraction form
    22,712.91/33,843.60 = 20,228.61/x
  3. Step 3: Cross multiply
    22,712.91x = 33,843.60 × 20,228.61
  4. Step 4: Simplify right side
    22,712.91x = 684,608,960.23
  5. Step 5: Solve for x
    x = 684,608,960.23/22,712.91
  6. Step 6: Final answer
    x = 30,141.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.