Home / 12,944.54-17,868.23-11,367.98

Finding the Fourth Proportional to 12,944.54, 17,868.23 and 11,367.98

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Solution

The fourth proportional to 12,944.54, 17,868.23 and 11,367.98 is: 15,691.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944.54 : 17,868.23 = 11,367.98 : x
  2. Step 2: Convert to fraction form
    12,944.54/17,868.23 = 11,367.98/x
  3. Step 3: Cross multiply
    12,944.54x = 17,868.23 × 11,367.98
  4. Step 4: Simplify right side
    12,944.54x = 203,125,535.09
  5. Step 5: Solve for x
    x = 203,125,535.09/12,944.54
  6. Step 6: Final answer
    x = 15,691.99

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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.