Home / 33,825.18-46,680.39-18,717.78

Finding the Fourth Proportional to 33,825.18, 46,680.39 and 18,717.78

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Solution

The fourth proportional to 33,825.18, 46,680.39 and 18,717.78 is: 25,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,825.18 : 46,680.39 = 18,717.78 : x
  2. Step 2: Convert to fraction form
    33,825.18/46,680.39 = 18,717.78/x
  3. Step 3: Cross multiply
    33,825.18x = 46,680.39 × 18,717.78
  4. Step 4: Simplify right side
    33,825.18x = 873,753,270.33
  5. Step 5: Solve for x
    x = 873,753,270.33/33,825.18
  6. Step 6: Final answer
    x = 25,831.44

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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.