Home / 22,192.43-30,622.79-12,633.55

Finding the Fourth Proportional to 22,192.43, 30,622.79 and 12,633.55

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Solution

The fourth proportional to 22,192.43, 30,622.79 and 12,633.55 is: 17,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,192.43 : 30,622.79 = 12,633.55 : x
  2. Step 2: Convert to fraction form
    22,192.43/30,622.79 = 12,633.55/x
  3. Step 3: Cross multiply
    22,192.43x = 30,622.79 × 12,633.55
  4. Step 4: Simplify right side
    22,192.43x = 386,874,503.63
  5. Step 5: Solve for x
    x = 386,874,503.63/22,192.43
  6. Step 6: Final answer
    x = 17,432.73

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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.