Home / 13,587.18-20,380.68-3,726.42

Finding the Fourth Proportional to 13,587.18, 20,380.68 and 3,726.42

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Solution

The fourth proportional to 13,587.18, 20,380.68 and 3,726.42 is: 5,589.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587.18 : 20,380.68 = 3,726.42 : x
  2. Step 2: Convert to fraction form
    13,587.18/20,380.68 = 3,726.42/x
  3. Step 3: Cross multiply
    13,587.18x = 20,380.68 × 3,726.42
  4. Step 4: Simplify right side
    13,587.18x = 75,946,973.57
  5. Step 5: Solve for x
    x = 75,946,973.57/13,587.18
  6. Step 6: Final answer
    x = 5,589.61

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