Home / 13,432.28-20,152.44-5,422.92

Finding the Fourth Proportional to 13,432.28, 20,152.44 and 5,422.92

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Solution

The fourth proportional to 13,432.28, 20,152.44 and 5,422.92 is: 8,136.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.28 : 20,152.44 = 5,422.92 : x
  2. Step 2: Convert to fraction form
    13,432.28/20,152.44 = 5,422.92/x
  3. Step 3: Cross multiply
    13,432.28x = 20,152.44 × 5,422.92
  4. Step 4: Simplify right side
    13,432.28x = 109,285,042.81
  5. Step 5: Solve for x
    x = 109,285,042.81/13,432.28
  6. Step 6: Final answer
    x = 8,136.00

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