Home / 25,121.98-34,661.24-16,174.66

Finding the Fourth Proportional to 25,121.98, 34,661.24 and 16,174.66

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Solution

The fourth proportional to 25,121.98, 34,661.24 and 16,174.66 is: 22,316.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.98 : 34,661.24 = 16,174.66 : x
  2. Step 2: Convert to fraction form
    25,121.98/34,661.24 = 16,174.66/x
  3. Step 3: Cross multiply
    25,121.98x = 34,661.24 × 16,174.66
  4. Step 4: Simplify right side
    25,121.98x = 560,633,691.31
  5. Step 5: Solve for x
    x = 560,633,691.31/25,121.98
  6. Step 6: Final answer
    x = 22,316.46

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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.