Home / 22,063.38-30,447.46-12,127.38

Finding the Fourth Proportional to 22,063.38, 30,447.46 and 12,127.38

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Solution

The fourth proportional to 22,063.38, 30,447.46 and 12,127.38 is: 16,735.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,063.38 : 30,447.46 = 12,127.38 : x
  2. Step 2: Convert to fraction form
    22,063.38/30,447.46 = 12,127.38/x
  3. Step 3: Cross multiply
    22,063.38x = 30,447.46 × 12,127.38
  4. Step 4: Simplify right side
    22,063.38x = 369,247,917.45
  5. Step 5: Solve for x
    x = 369,247,917.45/22,063.38
  6. Step 6: Final answer
    x = 16,735.78

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Half scale
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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.