Home / 22,282.19-30,750.17-12,210.54

Finding the Fourth Proportional to 22,282.19, 30,750.17 and 12,210.54

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Solution

The fourth proportional to 22,282.19, 30,750.17 and 12,210.54 is: 16,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,282.19 : 30,750.17 = 12,210.54 : x
  2. Step 2: Convert to fraction form
    22,282.19/30,750.17 = 12,210.54/x
  3. Step 3: Cross multiply
    22,282.19x = 30,750.17 × 12,210.54
  4. Step 4: Simplify right side
    22,282.19x = 375,476,042.86
  5. Step 5: Solve for x
    x = 375,476,042.86/22,282.19
  6. Step 6: Final answer
    x = 16,850.95

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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.