Home / 16,876.08-25,314.12-5,187.78

Finding the Fourth Proportional to 16,876.08, 25,314.12 and 5,187.78

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Solution

The fourth proportional to 16,876.08, 25,314.12 and 5,187.78 is: 7,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,876.08 : 25,314.12 = 5,187.78 : x
  2. Step 2: Convert to fraction form
    16,876.08/25,314.12 = 5,187.78/x
  3. Step 3: Cross multiply
    16,876.08x = 25,314.12 × 5,187.78
  4. Step 4: Simplify right side
    16,876.08x = 131,324,085.45
  5. Step 5: Solve for x
    x = 131,324,085.45/16,876.08
  6. Step 6: Final answer
    x = 7,781.67

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