Home / 15,033.67-20,745.75-8,227.54

Finding the Fourth Proportional to 15,033.67, 20,745.75 and 8,227.54

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Solution

The fourth proportional to 15,033.67, 20,745.75 and 8,227.54 is: 11,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,033.67 : 20,745.75 = 8,227.54 : x
  2. Step 2: Convert to fraction form
    15,033.67/20,745.75 = 8,227.54/x
  3. Step 3: Cross multiply
    15,033.67x = 20,745.75 × 8,227.54
  4. Step 4: Simplify right side
    15,033.67x = 170,686,544.74
  5. Step 5: Solve for x
    x = 170,686,544.74/15,033.67
  6. Step 6: Final answer
    x = 11,353.62

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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.