Home / 17,721.72-24,446.22-12,424.44

Finding the Fourth Proportional to 17,721.72, 24,446.22 and 12,424.44

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Solution

The fourth proportional to 17,721.72, 24,446.22 and 12,424.44 is: 17,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.72 : 24,446.22 = 12,424.44 : x
  2. Step 2: Convert to fraction form
    17,721.72/24,446.22 = 12,424.44/x
  3. Step 3: Cross multiply
    17,721.72x = 24,446.22 × 12,424.44
  4. Step 4: Simplify right side
    17,721.72x = 303,730,593.62
  5. Step 5: Solve for x
    x = 303,730,593.62/17,721.72
  6. Step 6: Final answer
    x = 17,138.89

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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.