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Finding the Fourth Proportional to 13,988.64, 20,982.96 and 9,592.76

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Solution

The fourth proportional to 13,988.64, 20,982.96 and 9,592.76 is: 14,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.64 : 20,982.96 = 9,592.76 : x
  2. Step 2: Convert to fraction form
    13,988.64/20,982.96 = 9,592.76/x
  3. Step 3: Cross multiply
    13,988.64x = 20,982.96 × 9,592.76
  4. Step 4: Simplify right side
    13,988.64x = 201,284,499.37
  5. Step 5: Solve for x
    x = 201,284,499.37/13,988.64
  6. Step 6: Final answer
    x = 14,389.14

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