Home / 20,792.97-31,179.74-6,932.25

Finding the Fourth Proportional to 20,792.97, 31,179.74 and 6,932.25

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Solution

The fourth proportional to 20,792.97, 31,179.74 and 6,932.25 is: 10,395.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,792.97 : 31,179.74 = 6,932.25 : x
  2. Step 2: Convert to fraction form
    20,792.97/31,179.74 = 6,932.25/x
  3. Step 3: Cross multiply
    20,792.97x = 31,179.74 × 6,932.25
  4. Step 4: Simplify right side
    20,792.97x = 216,145,717.95
  5. Step 5: Solve for x
    x = 216,145,717.95/20,792.97
  6. Step 6: Final answer
    x = 10,395.13

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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.