Home / 22,255.37-30,712.14-12,183.73

Finding the Fourth Proportional to 22,255.37, 30,712.14 and 12,183.73

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Solution

The fourth proportional to 22,255.37, 30,712.14 and 12,183.73 is: 16,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,255.37 : 30,712.14 = 12,183.73 : x
  2. Step 2: Convert to fraction form
    22,255.37/30,712.14 = 12,183.73/x
  3. Step 3: Cross multiply
    22,255.37x = 30,712.14 × 12,183.73
  4. Step 4: Simplify right side
    22,255.37x = 374,188,333.55
  5. Step 5: Solve for x
    x = 374,188,333.55/22,255.37
  6. Step 6: Final answer
    x = 16,813.39

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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.