Home / 16,517.21-24,778.40-5,421.38

Finding the Fourth Proportional to 16,517.21, 24,778.40 and 5,421.38

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Solution

The fourth proportional to 16,517.21, 24,778.40 and 5,421.38 is: 8,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.21 : 24,778.40 = 5,421.38 : x
  2. Step 2: Convert to fraction form
    16,517.21/24,778.40 = 5,421.38/x
  3. Step 3: Cross multiply
    16,517.21x = 24,778.40 × 5,421.38
  4. Step 4: Simplify right side
    16,517.21x = 134,332,971.19
  5. Step 5: Solve for x
    x = 134,332,971.19/16,517.21
  6. Step 6: Final answer
    x = 8,132.91

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