Home / 26,940.96-40,415.94-12,149.55

Finding the Fourth Proportional to 26,940.96, 40,415.94 and 12,149.55

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Solution

The fourth proportional to 26,940.96, 40,415.94 and 12,149.55 is: 18,226.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.96 : 40,415.94 = 12,149.55 : x
  2. Step 2: Convert to fraction form
    26,940.96/40,415.94 = 12,149.55/x
  3. Step 3: Cross multiply
    26,940.96x = 40,415.94 × 12,149.55
  4. Step 4: Simplify right side
    26,940.96x = 491,035,483.83
  5. Step 5: Solve for x
    x = 491,035,483.83/26,940.96
  6. Step 6: Final answer
    x = 18,226.35

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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.