Home / 19,517.27-26,945.42-12,814.61

Finding the Fourth Proportional to 19,517.27, 26,945.42 and 12,814.61

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Solution

The fourth proportional to 19,517.27, 26,945.42 and 12,814.61 is: 17,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.27 : 26,945.42 = 12,814.61 : x
  2. Step 2: Convert to fraction form
    19,517.27/26,945.42 = 12,814.61/x
  3. Step 3: Cross multiply
    19,517.27x = 26,945.42 × 12,814.61
  4. Step 4: Simplify right side
    19,517.27x = 345,294,849.79
  5. Step 5: Solve for x
    x = 345,294,849.79/19,517.27
  6. Step 6: Final answer
    x = 17,691.76

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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.