Home / 22,545.14-31,112.10-12,473.39

Finding the Fourth Proportional to 22,545.14, 31,112.10 and 12,473.39

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Solution

The fourth proportional to 22,545.14, 31,112.10 and 12,473.39 is: 17,213.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,545.14 : 31,112.10 = 12,473.39 : x
  2. Step 2: Convert to fraction form
    22,545.14/31,112.10 = 12,473.39/x
  3. Step 3: Cross multiply
    22,545.14x = 31,112.10 × 12,473.39
  4. Step 4: Simplify right side
    22,545.14x = 388,073,434.80
  5. Step 5: Solve for x
    x = 388,073,434.80/22,545.14
  6. Step 6: Final answer
    x = 17,213.18

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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.