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Finding the Fourth Proportional to 14,605.87, 20,165.34 and 11,242.36

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Solution

The fourth proportional to 14,605.87, 20,165.34 and 11,242.36 is: 15,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,605.87 : 20,165.34 = 11,242.36 : x
  2. Step 2: Convert to fraction form
    14,605.87/20,165.34 = 11,242.36/x
  3. Step 3: Cross multiply
    14,605.87x = 20,165.34 × 11,242.36
  4. Step 4: Simplify right side
    14,605.87x = 226,706,011.80
  5. Step 5: Solve for x
    x = 226,706,011.80/14,605.87
  6. Step 6: Final answer
    x = 15,521.57

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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.