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Finding the Fourth Proportional to 12,793.84, 19,219.80 and 11,044.24

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Solution

The fourth proportional to 12,793.84, 19,219.80 and 11,044.24 is: 16,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793.84 : 19,219.80 = 11,044.24 : x
  2. Step 2: Convert to fraction form
    12,793.84/19,219.80 = 11,044.24/x
  3. Step 3: Cross multiply
    12,793.84x = 19,219.80 × 11,044.24
  4. Step 4: Simplify right side
    12,793.84x = 212,268,083.95
  5. Step 5: Solve for x
    x = 212,268,083.95/12,793.84
  6. Step 6: Final answer
    x = 16,591.43

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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.