Home / 20,229.95-27,930.42-14,169.33

Finding the Fourth Proportional to 20,229.95, 27,930.42 and 14,169.33

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Solution

The fourth proportional to 20,229.95, 27,930.42 and 14,169.33 is: 19,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.95 : 27,930.42 = 14,169.33 : x
  2. Step 2: Convert to fraction form
    20,229.95/27,930.42 = 14,169.33/x
  3. Step 3: Cross multiply
    20,229.95x = 27,930.42 × 14,169.33
  4. Step 4: Simplify right side
    20,229.95x = 395,755,338.02
  5. Step 5: Solve for x
    x = 395,755,338.02/20,229.95
  6. Step 6: Final answer
    x = 19,562.84

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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.