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Finding the Fourth Proportional to 16,270.12, 22,452.76 and 8,818.12

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Solution

The fourth proportional to 16,270.12, 22,452.76 and 8,818.12 is: 12,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,270.12 : 22,452.76 = 8,818.12 : x
  2. Step 2: Convert to fraction form
    16,270.12/22,452.76 = 8,818.12/x
  3. Step 3: Cross multiply
    16,270.12x = 22,452.76 × 8,818.12
  4. Step 4: Simplify right side
    16,270.12x = 197,991,132.01
  5. Step 5: Solve for x
    x = 197,991,132.01/16,270.12
  6. Step 6: Final answer
    x = 12,169.00

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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.