Home / 13,788.56-19,028.20-7,500.96

Finding the Fourth Proportional to 13,788.56, 19,028.20 and 7,500.96

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Solution

The fourth proportional to 13,788.56, 19,028.20 and 7,500.96 is: 10,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.56 : 19,028.20 = 7,500.96 : x
  2. Step 2: Convert to fraction form
    13,788.56/19,028.20 = 7,500.96/x
  3. Step 3: Cross multiply
    13,788.56x = 19,028.20 × 7,500.96
  4. Step 4: Simplify right side
    13,788.56x = 142,729,767.07
  5. Step 5: Solve for x
    x = 142,729,767.07/13,788.56
  6. Step 6: Final answer
    x = 10,351.32

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