Home / 19,732.20-27,225.96-11,772.88

Finding the Fourth Proportional to 19,732.20, 27,225.96 and 11,772.88

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Solution

The fourth proportional to 19,732.20, 27,225.96 and 11,772.88 is: 16,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.20 : 27,225.96 = 11,772.88 : x
  2. Step 2: Convert to fraction form
    19,732.20/27,225.96 = 11,772.88/x
  3. Step 3: Cross multiply
    19,732.20x = 27,225.96 × 11,772.88
  4. Step 4: Simplify right side
    19,732.20x = 320,527,959.96
  5. Step 5: Solve for x
    x = 320,527,959.96/19,732.20
  6. Step 6: Final answer
    x = 16,243.90

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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.