Home / 13,576.92-20,348.37-7,336.68

Finding the Fourth Proportional to 13,576.92, 20,348.37 and 7,336.68

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Solution

The fourth proportional to 13,576.92, 20,348.37 and 7,336.68 is: 10,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.92 : 20,348.37 = 7,336.68 : x
  2. Step 2: Convert to fraction form
    13,576.92/20,348.37 = 7,336.68/x
  3. Step 3: Cross multiply
    13,576.92x = 20,348.37 × 7,336.68
  4. Step 4: Simplify right side
    13,576.92x = 149,289,479.21
  5. Step 5: Solve for x
    x = 149,289,479.21/13,576.92
  6. Step 6: Final answer
    x = 10,995.83

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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.