Home / 12,944.60-19,367.70-8,001.98

Finding the Fourth Proportional to 12,944.60, 19,367.70 and 8,001.98

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Solution

The fourth proportional to 12,944.60, 19,367.70 and 8,001.98 is: 11,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.60 : 19,367.70 = 8,001.98 : x
  2. Step 2: Convert to fraction form
    12,944.60/19,367.70 = 8,001.98/x
  3. Step 3: Cross multiply
    12,944.60x = 19,367.70 × 8,001.98
  4. Step 4: Simplify right side
    12,944.60x = 154,979,948.05
  5. Step 5: Solve for x
    x = 154,979,948.05/12,944.60
  6. Step 6: Final answer
    x = 11,972.56

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