Home / 22,571.73-31,149.08-12,499.95

Finding the Fourth Proportional to 22,571.73, 31,149.08 and 12,499.95

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Solution

The fourth proportional to 22,571.73, 31,149.08 and 12,499.95 is: 17,249.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.73 : 31,149.08 = 12,499.95 : x
  2. Step 2: Convert to fraction form
    22,571.73/31,149.08 = 12,499.95/x
  3. Step 3: Cross multiply
    22,571.73x = 31,149.08 × 12,499.95
  4. Step 4: Simplify right side
    22,571.73x = 389,361,880.05
  5. Step 5: Solve for x
    x = 389,361,880.05/22,571.73
  6. Step 6: Final answer
    x = 17,249.98

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Half scale
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Double scale
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Similar ratio
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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.