Home / 20,567.12-28,380.86-11,836.06

Finding the Fourth Proportional to 20,567.12, 28,380.86 and 11,836.06

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Solution

The fourth proportional to 20,567.12, 28,380.86 and 11,836.06 is: 16,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.12 : 28,380.86 = 11,836.06 : x
  2. Step 2: Convert to fraction form
    20,567.12/28,380.86 = 11,836.06/x
  3. Step 3: Cross multiply
    20,567.12x = 28,380.86 × 11,836.06
  4. Step 4: Simplify right side
    20,567.12x = 335,917,561.81
  5. Step 5: Solve for x
    x = 335,917,561.81/20,567.12
  6. Step 6: Final answer
    x = 16,332.75

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