Home / 22,006.42-30,369.45-12,446.65

Finding the Fourth Proportional to 22,006.42, 30,369.45 and 12,446.65

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Solution

The fourth proportional to 22,006.42, 30,369.45 and 12,446.65 is: 17,176.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,006.42 : 30,369.45 = 12,446.65 : x
  2. Step 2: Convert to fraction form
    22,006.42/30,369.45 = 12,446.65/x
  3. Step 3: Cross multiply
    22,006.42x = 30,369.45 × 12,446.65
  4. Step 4: Simplify right side
    22,006.42x = 377,997,914.84
  5. Step 5: Solve for x
    x = 377,997,914.84/22,006.42
  6. Step 6: Final answer
    x = 17,176.71

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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.