Home / 18,177.62-25,086.31-11,370.58

Finding the Fourth Proportional to 18,177.62, 25,086.31 and 11,370.58

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Solution

The fourth proportional to 18,177.62, 25,086.31 and 11,370.58 is: 15,692.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.62 : 25,086.31 = 11,370.58 : x
  2. Step 2: Convert to fraction form
    18,177.62/25,086.31 = 11,370.58/x
  3. Step 3: Cross multiply
    18,177.62x = 25,086.31 × 11,370.58
  4. Step 4: Simplify right side
    18,177.62x = 285,245,803.62
  5. Step 5: Solve for x
    x = 285,245,803.62/18,177.62
  6. Step 6: Final answer
    x = 15,692.15

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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.