Home / 22,515.27-33,771.66-11,421.66

Finding the Fourth Proportional to 22,515.27, 33,771.66 and 11,421.66

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Solution

The fourth proportional to 22,515.27, 33,771.66 and 11,421.66 is: 17,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,515.27 : 33,771.66 = 11,421.66 : x
  2. Step 2: Convert to fraction form
    22,515.27/33,771.66 = 11,421.66/x
  3. Step 3: Cross multiply
    22,515.27x = 33,771.66 × 11,421.66
  4. Step 4: Simplify right side
    22,515.27x = 385,728,418.16
  5. Step 5: Solve for x
    x = 385,728,418.16/22,515.27
  6. Step 6: Final answer
    x = 17,131.86

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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.