Home / 22,294.28-30,766.10-12,222.44

Finding the Fourth Proportional to 22,294.28, 30,766.10 and 12,222.44

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Solution

The fourth proportional to 22,294.28, 30,766.10 and 12,222.44 is: 16,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,294.28 : 30,766.10 = 12,222.44 : x
  2. Step 2: Convert to fraction form
    22,294.28/30,766.10 = 12,222.44/x
  3. Step 3: Cross multiply
    22,294.28x = 30,766.10 × 12,222.44
  4. Step 4: Simplify right side
    22,294.28x = 376,036,811.28
  5. Step 5: Solve for x
    x = 376,036,811.28/22,294.28
  6. Step 6: Final answer
    x = 16,866.96

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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.