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Finding the Fourth Proportional to 22,138.59, 30,550.86 and 12,067.14

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Solution

The fourth proportional to 22,138.59, 30,550.86 and 12,067.14 is: 16,652.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.59 : 30,550.86 = 12,067.14 : x
  2. Step 2: Convert to fraction form
    22,138.59/30,550.86 = 12,067.14/x
  3. Step 3: Cross multiply
    22,138.59x = 30,550.86 × 12,067.14
  4. Step 4: Simplify right side
    22,138.59x = 368,661,504.74
  5. Step 5: Solve for x
    x = 368,661,504.74/22,138.59
  6. Step 6: Final answer
    x = 16,652.44

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Double 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.