Home / 13,828.62-20,739.87-5,507.10

Finding the Fourth Proportional to 13,828.62, 20,739.87 and 5,507.10

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Solution

The fourth proportional to 13,828.62, 20,739.87 and 5,507.10 is: 8,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,828.62 : 20,739.87 = 5,507.10 : x
  2. Step 2: Convert to fraction form
    13,828.62/20,739.87 = 5,507.10/x
  3. Step 3: Cross multiply
    13,828.62x = 20,739.87 × 5,507.10
  4. Step 4: Simplify right side
    13,828.62x = 114,216,538.08
  5. Step 5: Solve for x
    x = 114,216,538.08/13,828.62
  6. Step 6: Final answer
    x = 8,259.43

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