Home / 19,163.78-26,436.94-12,793.33

Finding the Fourth Proportional to 19,163.78, 26,436.94 and 12,793.33

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Solution

The fourth proportional to 19,163.78, 26,436.94 and 12,793.33 is: 17,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.78 : 26,436.94 = 12,793.33 : x
  2. Step 2: Convert to fraction form
    19,163.78/26,436.94 = 12,793.33/x
  3. Step 3: Cross multiply
    19,163.78x = 26,436.94 × 12,793.33
  4. Step 4: Simplify right side
    19,163.78x = 338,216,497.61
  5. Step 5: Solve for x
    x = 338,216,497.61/19,163.78
  6. Step 6: Final answer
    x = 17,648.74

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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.