Home / 14,734.92-20,318.91-11,378.28

Finding the Fourth Proportional to 14,734.92, 20,318.91 and 11,378.28

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Solution

The fourth proportional to 14,734.92, 20,318.91 and 11,378.28 is: 15,690.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.92 : 20,318.91 = 11,378.28 : x
  2. Step 2: Convert to fraction form
    14,734.92/20,318.91 = 11,378.28/x
  3. Step 3: Cross multiply
    14,734.92x = 20,318.91 × 11,378.28
  4. Step 4: Simplify right side
    14,734.92x = 231,194,247.27
  5. Step 5: Solve for x
    x = 231,194,247.27/14,734.92
  6. Step 6: Final answer
    x = 15,690.23

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