Home / 22,479.43-30,989.37-17,691.07

Finding the Fourth Proportional to 22,479.43, 30,989.37 and 17,691.07

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Solution

The fourth proportional to 22,479.43, 30,989.37 and 17,691.07 is: 24,388.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.43 : 30,989.37 = 17,691.07 : x
  2. Step 2: Convert to fraction form
    22,479.43/30,989.37 = 17,691.07/x
  3. Step 3: Cross multiply
    22,479.43x = 30,989.37 × 17,691.07
  4. Step 4: Simplify right side
    22,479.43x = 548,235,113.93
  5. Step 5: Solve for x
    x = 548,235,113.93/22,479.43
  6. Step 6: Final answer
    x = 24,388.30

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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.