Home / 22,147.68-30,560.04-12,716.04

Finding the Fourth Proportional to 22,147.68, 30,560.04 and 12,716.04

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Solution

The fourth proportional to 22,147.68, 30,560.04 and 12,716.04 is: 17,545.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.68 : 30,560.04 = 12,716.04 : x
  2. Step 2: Convert to fraction form
    22,147.68/30,560.04 = 12,716.04/x
  3. Step 3: Cross multiply
    22,147.68x = 30,560.04 × 12,716.04
  4. Step 4: Simplify right side
    22,147.68x = 388,602,691.04
  5. Step 5: Solve for x
    x = 388,602,691.04/22,147.68
  6. Step 6: Final answer
    x = 17,545.98

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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.