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Finding the Fourth Proportional to 13,668.18, 20,502.26 and 10,552.74

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Solution

The fourth proportional to 13,668.18, 20,502.26 and 10,552.74 is: 15,829.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,668.18 : 20,502.26 = 10,552.74 : x
  2. Step 2: Convert to fraction form
    13,668.18/20,502.26 = 10,552.74/x
  3. Step 3: Cross multiply
    13,668.18x = 20,502.26 × 10,552.74
  4. Step 4: Simplify right side
    13,668.18x = 216,354,966.43
  5. Step 5: Solve for x
    x = 216,354,966.43/13,668.18
  6. Step 6: Final answer
    x = 15,829.10

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