Home / 26,815.22-40,196.67-12,771.49

Finding the Fourth Proportional to 26,815.22, 40,196.67 and 12,771.49

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Solution

The fourth proportional to 26,815.22, 40,196.67 and 12,771.49 is: 19,144.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.22 : 40,196.67 = 12,771.49 : x
  2. Step 2: Convert to fraction form
    26,815.22/40,196.67 = 12,771.49/x
  3. Step 3: Cross multiply
    26,815.22x = 40,196.67 × 12,771.49
  4. Step 4: Simplify right side
    26,815.22x = 513,371,367.76
  5. Step 5: Solve for x
    x = 513,371,367.76/26,815.22
  6. Step 6: Final answer
    x = 19,144.78

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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.