Home / 22,163.09-30,586.23-12,732.26

Finding the Fourth Proportional to 22,163.09, 30,586.23 and 12,732.26

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Solution

The fourth proportional to 22,163.09, 30,586.23 and 12,732.26 is: 17,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.09 : 30,586.23 = 12,732.26 : x
  2. Step 2: Convert to fraction form
    22,163.09/30,586.23 = 12,732.26/x
  3. Step 3: Cross multiply
    22,163.09x = 30,586.23 × 12,732.26
  4. Step 4: Simplify right side
    22,163.09x = 389,431,679.85
  5. Step 5: Solve for x
    x = 389,431,679.85/22,163.09
  6. Step 6: Final answer
    x = 17,571.19

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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.