Home / 14,021.71-21,028.96-4,158.75

Finding the Fourth Proportional to 14,021.71, 21,028.96 and 4,158.75

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Solution

The fourth proportional to 14,021.71, 21,028.96 and 4,158.75 is: 6,237.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.71 : 21,028.96 = 4,158.75 : x
  2. Step 2: Convert to fraction form
    14,021.71/21,028.96 = 4,158.75/x
  3. Step 3: Cross multiply
    14,021.71x = 21,028.96 × 4,158.75
  4. Step 4: Simplify right side
    14,021.71x = 87,454,187.40
  5. Step 5: Solve for x
    x = 87,454,187.40/14,021.71
  6. Step 6: Final answer
    x = 6,237.06

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