Home / 17,786.53-26,679.78-5,315.30

Finding the Fourth Proportional to 17,786.53, 26,679.78 and 5,315.30

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Solution

The fourth proportional to 17,786.53, 26,679.78 and 5,315.30 is: 7,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,786.53 : 26,679.78 = 5,315.30 : x
  2. Step 2: Convert to fraction form
    17,786.53/26,679.78 = 5,315.30/x
  3. Step 3: Cross multiply
    17,786.53x = 26,679.78 × 5,315.30
  4. Step 4: Simplify right side
    17,786.53x = 141,811,101.33
  5. Step 5: Solve for x
    x = 141,811,101.33/17,786.53
  6. Step 6: Final answer
    x = 7,972.95

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