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Finding the Fourth Proportional to 16,518.86, 22,796.20 and 8,965.26

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Solution

The fourth proportional to 16,518.86, 22,796.20 and 8,965.26 is: 12,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.86 : 22,796.20 = 8,965.26 : x
  2. Step 2: Convert to fraction form
    16,518.86/22,796.20 = 8,965.26/x
  3. Step 3: Cross multiply
    16,518.86x = 22,796.20 × 8,965.26
  4. Step 4: Simplify right side
    16,518.86x = 204,373,860.01
  5. Step 5: Solve for x
    x = 204,373,860.01/16,518.86
  6. Step 6: Final answer
    x = 12,372.15

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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.