Home / 22,286.66-30,755.81-12,214.87

Finding the Fourth Proportional to 22,286.66, 30,755.81 and 12,214.87

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Solution

The fourth proportional to 22,286.66, 30,755.81 and 12,214.87 is: 16,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.66 : 30,755.81 = 12,214.87 : x
  2. Step 2: Convert to fraction form
    22,286.66/30,755.81 = 12,214.87/x
  3. Step 3: Cross multiply
    22,286.66x = 30,755.81 × 12,214.87
  4. Step 4: Simplify right side
    22,286.66x = 375,678,220.89
  5. Step 5: Solve for x
    x = 375,678,220.89/22,286.66
  6. Step 6: Final answer
    x = 16,856.64

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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.