Home / 18,487.50-27,733.97-5,339.98

Finding the Fourth Proportional to 18,487.50, 27,733.97 and 5,339.98

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Solution

The fourth proportional to 18,487.50, 27,733.97 and 5,339.98 is: 8,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487.50 : 27,733.97 = 5,339.98 : x
  2. Step 2: Convert to fraction form
    18,487.50/27,733.97 = 5,339.98/x
  3. Step 3: Cross multiply
    18,487.50x = 27,733.97 × 5,339.98
  4. Step 4: Simplify right side
    18,487.50x = 148,098,845.12
  5. Step 5: Solve for x
    x = 148,098,845.12/18,487.50
  6. Step 6: Final answer
    x = 8,010.76

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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.