Home / 23,356.54-34,989.45-20,738.62

Finding the Fourth Proportional to 23,356.54, 34,989.45 and 20,738.62

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Solution

The fourth proportional to 23,356.54, 34,989.45 and 20,738.62 is: 31,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,356.54 : 34,989.45 = 20,738.62 : x
  2. Step 2: Convert to fraction form
    23,356.54/34,989.45 = 20,738.62/x
  3. Step 3: Cross multiply
    23,356.54x = 34,989.45 × 20,738.62
  4. Step 4: Simplify right side
    23,356.54x = 725,632,907.56
  5. Step 5: Solve for x
    x = 725,632,907.56/23,356.54
  6. Step 6: Final answer
    x = 31,067.65

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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.