Home / 22,285.28-30,727.68-18,512.84

Finding the Fourth Proportional to 22,285.28, 30,727.68 and 18,512.84

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Solution

The fourth proportional to 22,285.28, 30,727.68 and 18,512.84 is: 25,526.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,285.28 : 30,727.68 = 18,512.84 : x
  2. Step 2: Convert to fraction form
    22,285.28/30,727.68 = 18,512.84/x
  3. Step 3: Cross multiply
    22,285.28x = 30,727.68 × 18,512.84
  4. Step 4: Simplify right side
    22,285.28x = 568,856,623.41
  5. Step 5: Solve for x
    x = 568,856,623.41/22,285.28
  6. Step 6: Final answer
    x = 25,526.12

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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.