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Finding the Fourth Proportional to 14,744.99, 20,348.94 and 11,104.52

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Solution

The fourth proportional to 14,744.99, 20,348.94 and 11,104.52 is: 15,324.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,744.99 : 20,348.94 = 11,104.52 : x
  2. Step 2: Convert to fraction form
    14,744.99/20,348.94 = 11,104.52/x
  3. Step 3: Cross multiply
    14,744.99x = 20,348.94 × 11,104.52
  4. Step 4: Simplify right side
    14,744.99x = 225,965,211.21
  5. Step 5: Solve for x
    x = 225,965,211.21/14,744.99
  6. Step 6: Final answer
    x = 15,324.88

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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.