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Finding the Fourth Proportional to 13,882.58, 19,155.69 and 7,914.36

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Solution

The fourth proportional to 13,882.58, 19,155.69 and 7,914.36 is: 10,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882.58 : 19,155.69 = 7,914.36 : x
  2. Step 2: Convert to fraction form
    13,882.58/19,155.69 = 7,914.36/x
  3. Step 3: Cross multiply
    13,882.58x = 19,155.69 × 7,914.36
  4. Step 4: Simplify right side
    13,882.58x = 151,605,026.71
  5. Step 5: Solve for x
    x = 151,605,026.71/13,882.58
  6. Step 6: Final answer
    x = 10,920.52

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