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Finding the Fourth Proportional to 15,914.76, 21,962.36 and 8,841.84

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Solution

The fourth proportional to 15,914.76, 21,962.36 and 8,841.84 is: 12,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,914.76 : 21,962.36 = 8,841.84 : x
  2. Step 2: Convert to fraction form
    15,914.76/21,962.36 = 8,841.84/x
  3. Step 3: Cross multiply
    15,914.76x = 21,962.36 × 8,841.84
  4. Step 4: Simplify right side
    15,914.76x = 194,187,673.14
  5. Step 5: Solve for x
    x = 194,187,673.14/15,914.76
  6. Step 6: Final answer
    x = 12,201.73

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