Home / 22,198.45-30,613-16,545.73

Finding the Fourth Proportional to 22,198.45, 30,613 and 16,545.73

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Solution

The fourth proportional to 22,198.45, 30,613 and 16,545.73 is: 22,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.45 : 30,613 = 16,545.73 : x
  2. Step 2: Convert to fraction form
    22,198.45/30,613 = 16,545.73/x
  3. Step 3: Cross multiply
    22,198.45x = 30,613 × 16,545.73
  4. Step 4: Simplify right side
    22,198.45x = 506,514,432.49
  5. Step 5: Solve for x
    x = 506,514,432.49/22,198.45
  6. Step 6: Final answer
    x = 22,817.56

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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.