Home / 22,046.12-30,422.07-12,486.97

Finding the Fourth Proportional to 22,046.12, 30,422.07 and 12,486.97

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Solution

The fourth proportional to 22,046.12, 30,422.07 and 12,486.97 is: 17,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,046.12 : 30,422.07 = 12,486.97 : x
  2. Step 2: Convert to fraction form
    22,046.12/30,422.07 = 12,486.97/x
  3. Step 3: Cross multiply
    22,046.12x = 30,422.07 × 12,486.97
  4. Step 4: Simplify right side
    22,046.12x = 379,879,399.37
  5. Step 5: Solve for x
    x = 379,879,399.37/22,046.12
  6. Step 6: Final answer
    x = 17,231.13

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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.