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Finding the Fourth Proportional to 18,959.86, 26,164.89 and 10,461.85

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Solution

The fourth proportional to 18,959.86, 26,164.89 and 10,461.85 is: 14,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,959.86 : 26,164.89 = 10,461.85 : x
  2. Step 2: Convert to fraction form
    18,959.86/26,164.89 = 10,461.85/x
  3. Step 3: Cross multiply
    18,959.86x = 26,164.89 × 10,461.85
  4. Step 4: Simplify right side
    18,959.86x = 273,733,154.45
  5. Step 5: Solve for x
    x = 273,733,154.45/18,959.86
  6. Step 6: Final answer
    x = 14,437.51

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