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Finding the Fourth Proportional to 14,863.92, 20,472.80 and 11,074.95

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Solution

The fourth proportional to 14,863.92, 20,472.80 and 11,074.95 is: 15,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,863.92 : 20,472.80 = 11,074.95 : x
  2. Step 2: Convert to fraction form
    14,863.92/20,472.80 = 11,074.95/x
  3. Step 3: Cross multiply
    14,863.92x = 20,472.80 × 11,074.95
  4. Step 4: Simplify right side
    14,863.92x = 226,735,180.99
  5. Step 5: Solve for x
    x = 226,735,180.99/14,863.92
  6. Step 6: Final answer
    x = 15,254.06

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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.