Home / 20,731.24-31,101.30-6,692.06

Finding the Fourth Proportional to 20,731.24, 31,101.30 and 6,692.06

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Solution

The fourth proportional to 20,731.24, 31,101.30 and 6,692.06 is: 10,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,731.24 : 31,101.30 = 6,692.06 : x
  2. Step 2: Convert to fraction form
    20,731.24/31,101.30 = 6,692.06/x
  3. Step 3: Cross multiply
    20,731.24x = 31,101.30 × 6,692.06
  4. Step 4: Simplify right side
    20,731.24x = 208,131,765.68
  5. Step 5: Solve for x
    x = 208,131,765.68/20,731.24
  6. Step 6: Final answer
    x = 10,039.52

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