Home / 14,145.91-21,218.32-4,786.63

Finding the Fourth Proportional to 14,145.91, 21,218.32 and 4,786.63

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Solution

The fourth proportional to 14,145.91, 21,218.32 and 4,786.63 is: 7,179.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.91 : 21,218.32 = 4,786.63 : x
  2. Step 2: Convert to fraction form
    14,145.91/21,218.32 = 4,786.63/x
  3. Step 3: Cross multiply
    14,145.91x = 21,218.32 × 4,786.63
  4. Step 4: Simplify right side
    14,145.91x = 101,564,129.00
  5. Step 5: Solve for x
    x = 101,564,129.00/14,145.91
  6. Step 6: Final answer
    x = 7,179.75

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