Home / 22,208.91-33,342.66-20,375.07

Finding the Fourth Proportional to 22,208.91, 33,342.66 and 20,375.07

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Solution

The fourth proportional to 22,208.91, 33,342.66 and 20,375.07 is: 30,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.91 : 33,342.66 = 20,375.07 : x
  2. Step 2: Convert to fraction form
    22,208.91/33,342.66 = 20,375.07/x
  3. Step 3: Cross multiply
    22,208.91x = 33,342.66 × 20,375.07
  4. Step 4: Simplify right side
    22,208.91x = 679,359,031.49
  5. Step 5: Solve for x
    x = 679,359,031.49/22,208.91
  6. Step 6: Final answer
    x = 30,589.48

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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.