Home / 22,857.13-31,545.46-12,788.12

Finding the Fourth Proportional to 22,857.13, 31,545.46 and 12,788.12

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Solution

The fourth proportional to 22,857.13, 31,545.46 and 12,788.12 is: 17,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,857.13 : 31,545.46 = 12,788.12 : x
  2. Step 2: Convert to fraction form
    22,857.13/31,545.46 = 12,788.12/x
  3. Step 3: Cross multiply
    22,857.13x = 31,545.46 × 12,788.12
  4. Step 4: Simplify right side
    22,857.13x = 403,407,063.99
  5. Step 5: Solve for x
    x = 403,407,063.99/22,857.13
  6. Step 6: Final answer
    x = 17,649.07

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