Home / 23,174.27-31,982.12-13,102.80

Finding the Fourth Proportional to 23,174.27, 31,982.12 and 13,102.80

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Solution

The fourth proportional to 23,174.27, 31,982.12 and 13,102.80 is: 18,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,174.27 : 31,982.12 = 13,102.80 : x
  2. Step 2: Convert to fraction form
    23,174.27/31,982.12 = 13,102.80/x
  3. Step 3: Cross multiply
    23,174.27x = 31,982.12 × 13,102.80
  4. Step 4: Simplify right side
    23,174.27x = 419,055,434.65
  5. Step 5: Solve for x
    x = 419,055,434.65/23,174.27
  6. Step 6: Final answer
    x = 18,082.79

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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.