Home / 14,186.76-21,279.33-5,422.56

Finding the Fourth Proportional to 14,186.76, 21,279.33 and 5,422.56

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Solution

The fourth proportional to 14,186.76, 21,279.33 and 5,422.56 is: 8,133.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.76 : 21,279.33 = 5,422.56 : x
  2. Step 2: Convert to fraction form
    14,186.76/21,279.33 = 5,422.56/x
  3. Step 3: Cross multiply
    14,186.76x = 21,279.33 × 5,422.56
  4. Step 4: Simplify right side
    14,186.76x = 115,388,443.68
  5. Step 5: Solve for x
    x = 115,388,443.68/14,186.76
  6. Step 6: Final answer
    x = 8,133.53

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