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Finding the Fourth Proportional to 14,488.56, 20,003.04 and 13,595.04

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Solution

The fourth proportional to 14,488.56, 20,003.04 and 13,595.04 is: 18,769.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,488.56 : 20,003.04 = 13,595.04 : x
  2. Step 2: Convert to fraction form
    14,488.56/20,003.04 = 13,595.04/x
  3. Step 3: Cross multiply
    14,488.56x = 20,003.04 × 13,595.04
  4. Step 4: Simplify right side
    14,488.56x = 271,942,128.92
  5. Step 5: Solve for x
    x = 271,942,128.92/14,488.56
  6. Step 6: Final answer
    x = 18,769.44

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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.