Home / 29,380.38-40,548.63-18,204.06

Finding the Fourth Proportional to 29,380.38, 40,548.63 and 18,204.06

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Solution

The fourth proportional to 29,380.38, 40,548.63 and 18,204.06 is: 25,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,380.38 : 40,548.63 = 18,204.06 : x
  2. Step 2: Convert to fraction form
    29,380.38/40,548.63 = 18,204.06/x
  3. Step 3: Cross multiply
    29,380.38x = 40,548.63 × 18,204.06
  4. Step 4: Simplify right side
    29,380.38x = 738,149,693.44
  5. Step 5: Solve for x
    x = 738,149,693.44/29,380.38
  6. Step 6: Final answer
    x = 25,123.90

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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.