Home / 22,613.11-31,207.96-12,544.79

Finding the Fourth Proportional to 22,613.11, 31,207.96 and 12,544.79

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Solution

The fourth proportional to 22,613.11, 31,207.96 and 12,544.79 is: 17,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.11 : 31,207.96 = 12,544.79 : x
  2. Step 2: Convert to fraction form
    22,613.11/31,207.96 = 12,544.79/x
  3. Step 3: Cross multiply
    22,613.11x = 31,207.96 × 12,544.79
  4. Step 4: Simplify right side
    22,613.11x = 391,497,304.53
  5. Step 5: Solve for x
    x = 391,497,304.53/22,613.11
  6. Step 6: Final answer
    x = 17,312.85

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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.