Home / 13,336.66-18,404.24-7,367.37

Finding the Fourth Proportional to 13,336.66, 18,404.24 and 7,367.37

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Solution

The fourth proportional to 13,336.66, 18,404.24 and 7,367.37 is: 10,166.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.66 : 18,404.24 = 7,367.37 : x
  2. Step 2: Convert to fraction form
    13,336.66/18,404.24 = 7,367.37/x
  3. Step 3: Cross multiply
    13,336.66x = 18,404.24 × 7,367.37
  4. Step 4: Simplify right side
    13,336.66x = 135,590,845.65
  5. Step 5: Solve for x
    x = 135,590,845.65/13,336.66
  6. Step 6: Final answer
    x = 10,166.78

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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.