Home / 13,271.28-19,906.92-5,471.52

Finding the Fourth Proportional to 13,271.28, 19,906.92 and 5,471.52

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Solution

The fourth proportional to 13,271.28, 19,906.92 and 5,471.52 is: 8,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.28 : 19,906.92 = 5,471.52 : x
  2. Step 2: Convert to fraction form
    13,271.28/19,906.92 = 5,471.52/x
  3. Step 3: Cross multiply
    13,271.28x = 19,906.92 × 5,471.52
  4. Step 4: Simplify right side
    13,271.28x = 108,921,110.92
  5. Step 5: Solve for x
    x = 108,921,110.92/13,271.28
  6. Step 6: Final answer
    x = 8,207.28

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