Home / 13,279.38-19,919.10-5,881.84

Finding the Fourth Proportional to 13,279.38, 19,919.10 and 5,881.84

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Solution

The fourth proportional to 13,279.38, 19,919.10 and 5,881.84 is: 8,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.38 : 19,919.10 = 5,881.84 : x
  2. Step 2: Convert to fraction form
    13,279.38/19,919.10 = 5,881.84/x
  3. Step 3: Cross multiply
    13,279.38x = 19,919.10 × 5,881.84
  4. Step 4: Simplify right side
    13,279.38x = 117,160,959.14
  5. Step 5: Solve for x
    x = 117,160,959.14/13,279.38
  6. Step 6: Final answer
    x = 8,822.77

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