Home / 22,732.44-31,371.74-12,660.88

Finding the Fourth Proportional to 22,732.44, 31,371.74 and 12,660.88

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Solution

The fourth proportional to 22,732.44, 31,371.74 and 12,660.88 is: 17,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.44 : 31,371.74 = 12,660.88 : x
  2. Step 2: Convert to fraction form
    22,732.44/31,371.74 = 12,660.88/x
  3. Step 3: Cross multiply
    22,732.44x = 31,371.74 × 12,660.88
  4. Step 4: Simplify right side
    22,732.44x = 397,193,835.53
  5. Step 5: Solve for x
    x = 397,193,835.53/22,732.44
  6. Step 6: Final answer
    x = 17,472.56

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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.