Home / 25,343.28-38,031.24-13,664.64

Finding the Fourth Proportional to 25,343.28, 38,031.24 and 13,664.64

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Solution

The fourth proportional to 25,343.28, 38,031.24 and 13,664.64 is: 20,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.28 : 38,031.24 = 13,664.64 : x
  2. Step 2: Convert to fraction form
    25,343.28/38,031.24 = 13,664.64/x
  3. Step 3: Cross multiply
    25,343.28x = 38,031.24 × 13,664.64
  4. Step 4: Simplify right side
    25,343.28x = 519,683,203.35
  5. Step 5: Solve for x
    x = 519,683,203.35/25,343.28
  6. Step 6: Final answer
    x = 20,505.76

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