Home / 22,188.30-33,272.93-8,143.71

Finding the Fourth Proportional to 22,188.30, 33,272.93 and 8,143.71

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Solution

The fourth proportional to 22,188.30, 33,272.93 and 8,143.71 is: 12,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,188.30 : 33,272.93 = 8,143.71 : x
  2. Step 2: Convert to fraction form
    22,188.30/33,272.93 = 8,143.71/x
  3. Step 3: Cross multiply
    22,188.30x = 33,272.93 × 8,143.71
  4. Step 4: Simplify right side
    22,188.30x = 270,965,052.05
  5. Step 5: Solve for x
    x = 270,965,052.05/22,188.30
  6. Step 6: Final answer
    x = 12,212.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.