Home / 23,996.72-33,115.20-13,387.16

Finding the Fourth Proportional to 23,996.72, 33,115.20 and 13,387.16

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Solution

The fourth proportional to 23,996.72, 33,115.20 and 13,387.16 is: 18,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,996.72 : 33,115.20 = 13,387.16 : x
  2. Step 2: Convert to fraction form
    23,996.72/33,115.20 = 13,387.16/x
  3. Step 3: Cross multiply
    23,996.72x = 33,115.20 × 13,387.16
  4. Step 4: Simplify right side
    23,996.72x = 443,318,480.83
  5. Step 5: Solve for x
    x = 443,318,480.83/23,996.72
  6. Step 6: Final answer
    x = 18,474.13

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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.