Home / 22,982.02-31,727.30-15,467.85

Finding the Fourth Proportional to 22,982.02, 31,727.30 and 15,467.85

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Solution

The fourth proportional to 22,982.02, 31,727.30 and 15,467.85 is: 21,353.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,982.02 : 31,727.30 = 15,467.85 : x
  2. Step 2: Convert to fraction form
    22,982.02/31,727.30 = 15,467.85/x
  3. Step 3: Cross multiply
    22,982.02x = 31,727.30 × 15,467.85
  4. Step 4: Simplify right side
    22,982.02x = 490,753,039.97
  5. Step 5: Solve for x
    x = 490,753,039.97/22,982.02
  6. Step 6: Final answer
    x = 21,353.78

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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.