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Finding the Fourth Proportional to 17,672.73, 24,389.55 and 11,694.12

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Solution

The fourth proportional to 17,672.73, 24,389.55 and 11,694.12 is: 16,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.73 : 24,389.55 = 11,694.12 : x
  2. Step 2: Convert to fraction form
    17,672.73/24,389.55 = 11,694.12/x
  3. Step 3: Cross multiply
    17,672.73x = 24,389.55 × 11,694.12
  4. Step 4: Simplify right side
    17,672.73x = 285,214,324.45
  5. Step 5: Solve for x
    x = 285,214,324.45/17,672.73
  6. Step 6: Final answer
    x = 16,138.67

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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.