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Finding the Fourth Proportional to 12,194.70, 18,256.41 and 11,027.39

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Solution

The fourth proportional to 12,194.70, 18,256.41 and 11,027.39 is: 16,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.70 : 18,256.41 = 11,027.39 : x
  2. Step 2: Convert to fraction form
    12,194.70/18,256.41 = 11,027.39/x
  3. Step 3: Cross multiply
    12,194.70x = 18,256.41 × 11,027.39
  4. Step 4: Simplify right side
    12,194.70x = 201,320,461.79
  5. Step 5: Solve for x
    x = 201,320,461.79/12,194.70
  6. Step 6: Final answer
    x = 16,508.85

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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.