Home / 22,228.96-30,674.82-12,155.44

Finding the Fourth Proportional to 22,228.96, 30,674.82 and 12,155.44

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Solution

The fourth proportional to 22,228.96, 30,674.82 and 12,155.44 is: 16,773.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.96 : 30,674.82 = 12,155.44 : x
  2. Step 2: Convert to fraction form
    22,228.96/30,674.82 = 12,155.44/x
  3. Step 3: Cross multiply
    22,228.96x = 30,674.82 × 12,155.44
  4. Step 4: Simplify right side
    22,228.96x = 372,865,934.02
  5. Step 5: Solve for x
    x = 372,865,934.02/22,228.96
  6. Step 6: Final answer
    x = 16,773.88

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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.