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Finding the Fourth Proportional to 16,278.84, 24,393 and 11,290.95

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Solution

The fourth proportional to 16,278.84, 24,393 and 11,290.95 is: 16,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,278.84 : 24,393 = 11,290.95 : x
  2. Step 2: Convert to fraction form
    16,278.84/24,393 = 11,290.95/x
  3. Step 3: Cross multiply
    16,278.84x = 24,393 × 11,290.95
  4. Step 4: Simplify right side
    16,278.84x = 275,420,143.35
  5. Step 5: Solve for x
    x = 275,420,143.35/16,278.84
  6. Step 6: Final answer
    x = 16,918.90

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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.