Home / 12,944.44-19,422.42-6,787

Finding the Fourth Proportional to 12,944.44, 19,422.42 and 6,787

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Solution

The fourth proportional to 12,944.44, 19,422.42 and 6,787 is: 10,183.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.44 : 19,422.42 = 6,787 : x
  2. Step 2: Convert to fraction form
    12,944.44/19,422.42 = 6,787/x
  3. Step 3: Cross multiply
    12,944.44x = 19,422.42 × 6,787
  4. Step 4: Simplify right side
    12,944.44x = 131,819,964.54
  5. Step 5: Solve for x
    x = 131,819,964.54/12,944.44
  6. Step 6: Final answer
    x = 10,183.52

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