Home / 20,784.82-28,681.68-11,833.24

Finding the Fourth Proportional to 20,784.82, 28,681.68 and 11,833.24

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Solution

The fourth proportional to 20,784.82, 28,681.68 and 11,833.24 is: 16,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,784.82 : 28,681.68 = 11,833.24 : x
  2. Step 2: Convert to fraction form
    20,784.82/28,681.68 = 11,833.24/x
  3. Step 3: Cross multiply
    20,784.82x = 28,681.68 × 11,833.24
  4. Step 4: Simplify right side
    20,784.82x = 339,397,203.04
  5. Step 5: Solve for x
    x = 339,397,203.04/20,784.82
  6. Step 6: Final answer
    x = 16,329.09

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