Home / 13,867.92-19,109.88-11,768.40

Finding the Fourth Proportional to 13,867.92, 19,109.88 and 11,768.40

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Solution

The fourth proportional to 13,867.92, 19,109.88 and 11,768.40 is: 16,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,867.92 : 19,109.88 = 11,768.40 : x
  2. Step 2: Convert to fraction form
    13,867.92/19,109.88 = 11,768.40/x
  3. Step 3: Cross multiply
    13,867.92x = 19,109.88 × 11,768.40
  4. Step 4: Simplify right side
    13,867.92x = 224,892,711.79
  5. Step 5: Solve for x
    x = 224,892,711.79/13,867.92
  6. Step 6: Final answer
    x = 16,216.76

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