Home / 22,282.97-30,751.34-12,724.41

Finding the Fourth Proportional to 22,282.97, 30,751.34 and 12,724.41

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Solution

The fourth proportional to 22,282.97, 30,751.34 and 12,724.41 is: 17,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.97 : 30,751.34 = 12,724.41 : x
  2. Step 2: Convert to fraction form
    22,282.97/30,751.34 = 12,724.41/x
  3. Step 3: Cross multiply
    22,282.97x = 30,751.34 × 12,724.41
  4. Step 4: Simplify right side
    22,282.97x = 391,292,658.21
  5. Step 5: Solve for x
    x = 391,292,658.21/22,282.97
  6. Step 6: Final answer
    x = 17,560.17

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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.