Home / 14,806.87-20,433.75-8,092.78

Finding the Fourth Proportional to 14,806.87, 20,433.75 and 8,092.78

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Solution

The fourth proportional to 14,806.87, 20,433.75 and 8,092.78 is: 11,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,806.87 : 20,433.75 = 8,092.78 : x
  2. Step 2: Convert to fraction form
    14,806.87/20,433.75 = 8,092.78/x
  3. Step 3: Cross multiply
    14,806.87x = 20,433.75 × 8,092.78
  4. Step 4: Simplify right side
    14,806.87x = 165,365,843.33
  5. Step 5: Solve for x
    x = 165,365,843.33/14,806.87
  6. Step 6: Final answer
    x = 11,168.18

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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.