Home / 17,919.27-24,732.68-11,620.71

Finding the Fourth Proportional to 17,919.27, 24,732.68 and 11,620.71

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Solution

The fourth proportional to 17,919.27, 24,732.68 and 11,620.71 is: 16,039.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.27 : 24,732.68 = 11,620.71 : x
  2. Step 2: Convert to fraction form
    17,919.27/24,732.68 = 11,620.71/x
  3. Step 3: Cross multiply
    17,919.27x = 24,732.68 × 11,620.71
  4. Step 4: Simplify right side
    17,919.27x = 287,411,243.70
  5. Step 5: Solve for x
    x = 287,411,243.70/17,919.27
  6. Step 6: Final answer
    x = 16,039.23

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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.