Home / 19,732.86-27,229.50-11,772.18

Finding the Fourth Proportional to 19,732.86, 27,229.50 and 11,772.18

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Solution

The fourth proportional to 19,732.86, 27,229.50 and 11,772.18 is: 16,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.86 : 27,229.50 = 11,772.18 : x
  2. Step 2: Convert to fraction form
    19,732.86/27,229.50 = 11,772.18/x
  3. Step 3: Cross multiply
    19,732.86x = 27,229.50 × 11,772.18
  4. Step 4: Simplify right side
    19,732.86x = 320,550,575.31
  5. Step 5: Solve for x
    x = 320,550,575.31/19,732.86
  6. Step 6: Final answer
    x = 16,244.51

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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.