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Finding the Fourth Proportional to 16,314.38, 22,513.80 and 8,862.38

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Solution

The fourth proportional to 16,314.38, 22,513.80 and 8,862.38 is: 12,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,314.38 : 22,513.80 = 8,862.38 : x
  2. Step 2: Convert to fraction form
    16,314.38/22,513.80 = 8,862.38/x
  3. Step 3: Cross multiply
    16,314.38x = 22,513.80 × 8,862.38
  4. Step 4: Simplify right side
    16,314.38x = 199,525,850.84
  5. Step 5: Solve for x
    x = 199,525,850.84/16,314.38
  6. Step 6: Final answer
    x = 12,230.06

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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.