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Finding the Fourth Proportional to 15,404.16, 22,994.80 and 13,535.80

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Solution

The fourth proportional to 15,404.16, 22,994.80 and 13,535.80 is: 20,205.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.16 : 22,994.80 = 13,535.80 : x
  2. Step 2: Convert to fraction form
    15,404.16/22,994.80 = 13,535.80/x
  3. Step 3: Cross multiply
    15,404.16x = 22,994.80 × 13,535.80
  4. Step 4: Simplify right side
    15,404.16x = 311,253,013.84
  5. Step 5: Solve for x
    x = 311,253,013.84/15,404.16
  6. Step 6: Final answer
    x = 20,205.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.