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Finding the Fourth Proportional to 13,604.22, 18,773.19 and 8,014.14

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Solution

The fourth proportional to 13,604.22, 18,773.19 and 8,014.14 is: 11,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.22 : 18,773.19 = 8,014.14 : x
  2. Step 2: Convert to fraction form
    13,604.22/18,773.19 = 8,014.14/x
  3. Step 3: Cross multiply
    13,604.22x = 18,773.19 × 8,014.14
  4. Step 4: Simplify right side
    13,604.22x = 150,450,972.91
  5. Step 5: Solve for x
    x = 150,450,972.91/13,604.22
  6. Step 6: Final answer
    x = 11,059.14

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1.5x scale

Why These Related Problems?

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