Home / 26,950.86-40,407.48-11,949.78

Finding the Fourth Proportional to 26,950.86, 40,407.48 and 11,949.78

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Solution

The fourth proportional to 26,950.86, 40,407.48 and 11,949.78 is: 17,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,950.86 : 40,407.48 = 11,949.78 : x
  2. Step 2: Convert to fraction form
    26,950.86/40,407.48 = 11,949.78/x
  3. Step 3: Cross multiply
    26,950.86x = 40,407.48 × 11,949.78
  4. Step 4: Simplify right side
    26,950.86x = 482,860,496.35
  5. Step 5: Solve for x
    x = 482,860,496.35/26,950.86
  6. Step 6: Final answer
    x = 17,916.33

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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.