Home / 17,881.80-24,665.66-11,516.70

Finding the Fourth Proportional to 17,881.80, 24,665.66 and 11,516.70

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Solution

The fourth proportional to 17,881.80, 24,665.66 and 11,516.70 is: 15,885.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.80 : 24,665.66 = 11,516.70 : x
  2. Step 2: Convert to fraction form
    17,881.80/24,665.66 = 11,516.70/x
  3. Step 3: Cross multiply
    17,881.80x = 24,665.66 × 11,516.70
  4. Step 4: Simplify right side
    17,881.80x = 284,067,006.52
  5. Step 5: Solve for x
    x = 284,067,006.52/17,881.80
  6. Step 6: Final answer
    x = 15,885.82

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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.