Home / 20,794.97-31,192.59-8,316.04

Finding the Fourth Proportional to 20,794.97, 31,192.59 and 8,316.04

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Solution

The fourth proportional to 20,794.97, 31,192.59 and 8,316.04 is: 12,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.97 : 31,192.59 = 8,316.04 : x
  2. Step 2: Convert to fraction form
    20,794.97/31,192.59 = 8,316.04/x
  3. Step 3: Cross multiply
    20,794.97x = 31,192.59 × 8,316.04
  4. Step 4: Simplify right side
    20,794.97x = 259,398,826.14
  5. Step 5: Solve for x
    x = 259,398,826.14/20,794.97
  6. Step 6: Final answer
    x = 12,474.11

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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.