Home / 18,033.50-27,037.26-8,167.70

Finding the Fourth Proportional to 18,033.50, 27,037.26 and 8,167.70

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Solution

The fourth proportional to 18,033.50, 27,037.26 and 8,167.70 is: 12,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,033.50 : 27,037.26 = 8,167.70 : x
  2. Step 2: Convert to fraction form
    18,033.50/27,037.26 = 8,167.70/x
  3. Step 3: Cross multiply
    18,033.50x = 27,037.26 × 8,167.70
  4. Step 4: Simplify right side
    18,033.50x = 220,832,228.50
  5. Step 5: Solve for x
    x = 220,832,228.50/18,033.50
  6. Step 6: Final answer
    x = 12,245.67

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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.