Home / 22,198.01-30,634.19-12,766.58

Finding the Fourth Proportional to 22,198.01, 30,634.19 and 12,766.58

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Solution

The fourth proportional to 22,198.01, 30,634.19 and 12,766.58 is: 17,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.01 : 30,634.19 = 12,766.58 : x
  2. Step 2: Convert to fraction form
    22,198.01/30,634.19 = 12,766.58/x
  3. Step 3: Cross multiply
    22,198.01x = 30,634.19 × 12,766.58
  4. Step 4: Simplify right side
    22,198.01x = 391,093,837.37
  5. Step 5: Solve for x
    x = 391,093,837.37/22,198.01
  6. Step 6: Final answer
    x = 17,618.42

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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.