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Finding the Fourth Proportional to 14,673.96, 20,245.14 and 8,381.88

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Solution

The fourth proportional to 14,673.96, 20,245.14 and 8,381.88 is: 11,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,673.96 : 20,245.14 = 8,381.88 : x
  2. Step 2: Convert to fraction form
    14,673.96/20,245.14 = 8,381.88/x
  3. Step 3: Cross multiply
    14,673.96x = 20,245.14 × 8,381.88
  4. Step 4: Simplify right side
    14,673.96x = 169,692,334.06
  5. Step 5: Solve for x
    x = 169,692,334.06/14,673.96
  6. Step 6: Final answer
    x = 11,564.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.