Home / 22,672.20-34,008.30-12,174.60

Finding the Fourth Proportional to 22,672.20, 34,008.30 and 12,174.60

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Solution

The fourth proportional to 22,672.20, 34,008.30 and 12,174.60 is: 18,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.20 : 34,008.30 = 12,174.60 : x
  2. Step 2: Convert to fraction form
    22,672.20/34,008.30 = 12,174.60/x
  3. Step 3: Cross multiply
    22,672.20x = 34,008.30 × 12,174.60
  4. Step 4: Simplify right side
    22,672.20x = 414,037,449.18
  5. Step 5: Solve for x
    x = 414,037,449.18/22,672.20
  6. Step 6: Final answer
    x = 18,261.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.