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Finding the Fourth Proportional to 14,811.92, 20,433.48 and 10,563.92

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Solution

The fourth proportional to 14,811.92, 20,433.48 and 10,563.92 is: 14,573.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.92 : 20,433.48 = 10,563.92 : x
  2. Step 2: Convert to fraction form
    14,811.92/20,433.48 = 10,563.92/x
  3. Step 3: Cross multiply
    14,811.92x = 20,433.48 × 10,563.92
  4. Step 4: Simplify right side
    14,811.92x = 215,857,648.04
  5. Step 5: Solve for x
    x = 215,857,648.04/14,811.92
  6. Step 6: Final answer
    x = 14,573.24

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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.