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Finding the Fourth Proportional to 16,207.20, 24,310.80 and 14,198.40

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Solution

The fourth proportional to 16,207.20, 24,310.80 and 14,198.40 is: 21,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,207.20 : 24,310.80 = 14,198.40 : x
  2. Step 2: Convert to fraction form
    16,207.20/24,310.80 = 14,198.40/x
  3. Step 3: Cross multiply
    16,207.20x = 24,310.80 × 14,198.40
  4. Step 4: Simplify right side
    16,207.20x = 345,174,462.72
  5. Step 5: Solve for x
    x = 345,174,462.72/16,207.20
  6. Step 6: Final answer
    x = 21,297.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.