Home / 22,298.76-30,771.42-12,226.95

Finding the Fourth Proportional to 22,298.76, 30,771.42 and 12,226.95

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Solution

The fourth proportional to 22,298.76, 30,771.42 and 12,226.95 is: 16,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,298.76 : 30,771.42 = 12,226.95 : x
  2. Step 2: Convert to fraction form
    22,298.76/30,771.42 = 12,226.95/x
  3. Step 3: Cross multiply
    22,298.76x = 30,771.42 × 12,226.95
  4. Step 4: Simplify right side
    22,298.76x = 376,240,613.77
  5. Step 5: Solve for x
    x = 376,240,613.77/22,298.76
  6. Step 6: Final answer
    x = 16,872.71

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Half scale
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Double scale
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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.