Home / 22,139.24-30,552.12-12,067.70

Finding the Fourth Proportional to 22,139.24, 30,552.12 and 12,067.70

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Solution

The fourth proportional to 22,139.24, 30,552.12 and 12,067.70 is: 16,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,139.24 : 30,552.12 = 12,067.70 : x
  2. Step 2: Convert to fraction form
    22,139.24/30,552.12 = 12,067.70/x
  3. Step 3: Cross multiply
    22,139.24x = 30,552.12 × 12,067.70
  4. Step 4: Simplify right side
    22,139.24x = 368,693,665.76
  5. Step 5: Solve for x
    x = 368,693,665.76/22,139.24
  6. Step 6: Final answer
    x = 16,653.41

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Double scale
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Similar ratio
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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.