Home / 22,161.03-33,231.87-8,650.23

Finding the Fourth Proportional to 22,161.03, 33,231.87 and 8,650.23

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Solution

The fourth proportional to 22,161.03, 33,231.87 and 8,650.23 is: 12,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.03 : 33,231.87 = 8,650.23 : x
  2. Step 2: Convert to fraction form
    22,161.03/33,231.87 = 8,650.23/x
  3. Step 3: Cross multiply
    22,161.03x = 33,231.87 × 8,650.23
  4. Step 4: Simplify right side
    22,161.03x = 287,463,318.83
  5. Step 5: Solve for x
    x = 287,463,318.83/22,161.03
  6. Step 6: Final answer
    x = 12,971.57

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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.