Home / 12,631.19-18,922.55-7,067.68

Finding the Fourth Proportional to 12,631.19, 18,922.55 and 7,067.68

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Solution

The fourth proportional to 12,631.19, 18,922.55 and 7,067.68 is: 10,587.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,631.19 : 18,922.55 = 7,067.68 : x
  2. Step 2: Convert to fraction form
    12,631.19/18,922.55 = 7,067.68/x
  3. Step 3: Cross multiply
    12,631.19x = 18,922.55 × 7,067.68
  4. Step 4: Simplify right side
    12,631.19x = 133,738,445.54
  5. Step 5: Solve for x
    x = 133,738,445.54/12,631.19
  6. Step 6: Final answer
    x = 10,587.96

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