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Finding the Fourth Proportional to 18,674.96, 25,776.42 and 11,024.96

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Solution

The fourth proportional to 18,674.96, 25,776.42 and 11,024.96 is: 15,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.96 : 25,776.42 = 11,024.96 : x
  2. Step 2: Convert to fraction form
    18,674.96/25,776.42 = 11,024.96/x
  3. Step 3: Cross multiply
    18,674.96x = 25,776.42 × 11,024.96
  4. Step 4: Simplify right side
    18,674.96x = 284,183,999.44
  5. Step 5: Solve for x
    x = 284,183,999.44/18,674.96
  6. Step 6: Final answer
    x = 15,217.38

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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.