Home / 22,269.70-30,732.21-12,198.77

Finding the Fourth Proportional to 22,269.70, 30,732.21 and 12,198.77

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Solution

The fourth proportional to 22,269.70, 30,732.21 and 12,198.77 is: 16,834.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.70 : 30,732.21 = 12,198.77 : x
  2. Step 2: Convert to fraction form
    22,269.70/30,732.21 = 12,198.77/x
  3. Step 3: Cross multiply
    22,269.70x = 30,732.21 × 12,198.77
  4. Step 4: Simplify right side
    22,269.70x = 374,894,946.73
  5. Step 5: Solve for x
    x = 374,894,946.73/22,269.70
  6. Step 6: Final answer
    x = 16,834.31

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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.