Home / 27,850.54-41,771.70-8,123.80

Finding the Fourth Proportional to 27,850.54, 41,771.70 and 8,123.80

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Solution

The fourth proportional to 27,850.54, 41,771.70 and 8,123.80 is: 12,184.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,850.54 : 41,771.70 = 8,123.80 : x
  2. Step 2: Convert to fraction form
    27,850.54/41,771.70 = 8,123.80/x
  3. Step 3: Cross multiply
    27,850.54x = 41,771.70 × 8,123.80
  4. Step 4: Simplify right side
    27,850.54x = 339,344,936.46
  5. Step 5: Solve for x
    x = 339,344,936.46/27,850.54
  6. Step 6: Final answer
    x = 12,184.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.