Home / 20,747.34-31,105.05-10,741.37

Finding the Fourth Proportional to 20,747.34, 31,105.05 and 10,741.37

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Solution

The fourth proportional to 20,747.34, 31,105.05 and 10,741.37 is: 16,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,747.34 : 31,105.05 = 10,741.37 : x
  2. Step 2: Convert to fraction form
    20,747.34/31,105.05 = 10,741.37/x
  3. Step 3: Cross multiply
    20,747.34x = 31,105.05 × 10,741.37
  4. Step 4: Simplify right side
    20,747.34x = 334,110,695.39
  5. Step 5: Solve for x
    x = 334,110,695.39/20,747.34
  6. Step 6: Final answer
    x = 16,103.78

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