Home / 25,791.47-38,621.55-16,999.73

Finding the Fourth Proportional to 25,791.47, 38,621.55 and 16,999.73

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Solution

The fourth proportional to 25,791.47, 38,621.55 and 16,999.73 is: 25,456.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.47 : 38,621.55 = 16,999.73 : x
  2. Step 2: Convert to fraction form
    25,791.47/38,621.55 = 16,999.73/x
  3. Step 3: Cross multiply
    25,791.47x = 38,621.55 × 16,999.73
  4. Step 4: Simplify right side
    25,791.47x = 656,555,922.18
  5. Step 5: Solve for x
    x = 656,555,922.18/25,791.47
  6. Step 6: Final answer
    x = 25,456.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.