Home / 22,369.11-30,868.18-12,295.61

Finding the Fourth Proportional to 22,369.11, 30,868.18 and 12,295.61

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Solution

The fourth proportional to 22,369.11, 30,868.18 and 12,295.61 is: 16,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,369.11 : 30,868.18 = 12,295.61 : x
  2. Step 2: Convert to fraction form
    22,369.11/30,868.18 = 12,295.61/x
  3. Step 3: Cross multiply
    22,369.11x = 30,868.18 × 12,295.61
  4. Step 4: Simplify right side
    22,369.11x = 379,543,149.12
  5. Step 5: Solve for x
    x = 379,543,149.12/22,369.11
  6. Step 6: Final answer
    x = 16,967.29

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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.