Home / 12,800.24-19,200.34-4,035.15

Finding the Fourth Proportional to 12,800.24, 19,200.34 and 4,035.15

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Solution

The fourth proportional to 12,800.24, 19,200.34 and 4,035.15 is: 6,052.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,800.24 : 19,200.34 = 4,035.15 : x
  2. Step 2: Convert to fraction form
    12,800.24/19,200.34 = 4,035.15/x
  3. Step 3: Cross multiply
    12,800.24x = 19,200.34 × 4,035.15
  4. Step 4: Simplify right side
    12,800.24x = 77,476,155.95
  5. Step 5: Solve for x
    x = 77,476,155.95/12,800.24
  6. Step 6: Final answer
    x = 6,052.71

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