Home / 26,912.67-40,374.83-8,192.21

Finding the Fourth Proportional to 26,912.67, 40,374.83 and 8,192.21

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Solution

The fourth proportional to 26,912.67, 40,374.83 and 8,192.21 is: 12,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,912.67 : 40,374.83 = 8,192.21 : x
  2. Step 2: Convert to fraction form
    26,912.67/40,374.83 = 8,192.21/x
  3. Step 3: Cross multiply
    26,912.67x = 40,374.83 × 8,192.21
  4. Step 4: Simplify right side
    26,912.67x = 330,759,193.84
  5. Step 5: Solve for x
    x = 330,759,193.84/26,912.67
  6. Step 6: Final answer
    x = 12,290.09

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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.