Home / 22,292.10-30,759.21-12,727.62

Finding the Fourth Proportional to 22,292.10, 30,759.21 and 12,727.62

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Solution

The fourth proportional to 22,292.10, 30,759.21 and 12,727.62 is: 17,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,292.10 : 30,759.21 = 12,727.62 : x
  2. Step 2: Convert to fraction form
    22,292.10/30,759.21 = 12,727.62/x
  3. Step 3: Cross multiply
    22,292.10x = 30,759.21 × 12,727.62
  4. Step 4: Simplify right side
    22,292.10x = 391,491,536.38
  5. Step 5: Solve for x
    x = 391,491,536.38/22,292.10
  6. Step 6: Final answer
    x = 17,561.90

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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.