Home / 20,336.33-30,496.91-7,005.56

Finding the Fourth Proportional to 20,336.33, 30,496.91 and 7,005.56

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Solution

The fourth proportional to 20,336.33, 30,496.91 and 7,005.56 is: 10,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,336.33 : 30,496.91 = 7,005.56 : x
  2. Step 2: Convert to fraction form
    20,336.33/30,496.91 = 7,005.56/x
  3. Step 3: Cross multiply
    20,336.33x = 30,496.91 × 7,005.56
  4. Step 4: Simplify right side
    20,336.33x = 213,647,745.31
  5. Step 5: Solve for x
    x = 213,647,745.31/20,336.33
  6. Step 6: Final answer
    x = 10,505.72

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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.