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Finding the Fourth Proportional to 12,965.00, 19,447.49 and 7,414.44

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Solution

The fourth proportional to 12,965.00, 19,447.49 and 7,414.44 is: 11,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.00 : 19,447.49 = 7,414.44 : x
  2. Step 2: Convert to fraction form
    12,965.00/19,447.49 = 7,414.44/x
  3. Step 3: Cross multiply
    12,965.00x = 19,447.49 × 7,414.44
  4. Step 4: Simplify right side
    12,965.00x = 144,192,357.45
  5. Step 5: Solve for x
    x = 144,192,357.45/12,965.00
  6. Step 6: Final answer
    x = 11,121.67

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Similar ratio
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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.