Home / 13,731.60-20,578.86-10,016.40

Finding the Fourth Proportional to 13,731.60, 20,578.86 and 10,016.40

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Solution

The fourth proportional to 13,731.60, 20,578.86 and 10,016.40 is: 15,011.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.60 : 20,578.86 = 10,016.40 : x
  2. Step 2: Convert to fraction form
    13,731.60/20,578.86 = 10,016.40/x
  3. Step 3: Cross multiply
    13,731.60x = 20,578.86 × 10,016.40
  4. Step 4: Simplify right side
    13,731.60x = 206,126,093.30
  5. Step 5: Solve for x
    x = 206,126,093.30/13,731.60
  6. Step 6: Final answer
    x = 15,011.08

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