Home / 26,940.25-40,409.43-8,219.53

Finding the Fourth Proportional to 26,940.25, 40,409.43 and 8,219.53

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Solution

The fourth proportional to 26,940.25, 40,409.43 and 8,219.53 is: 12,329.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.25 : 40,409.43 = 8,219.53 : x
  2. Step 2: Convert to fraction form
    26,940.25/40,409.43 = 8,219.53/x
  3. Step 3: Cross multiply
    26,940.25x = 40,409.43 × 8,219.53
  4. Step 4: Simplify right side
    26,940.25x = 332,146,522.17
  5. Step 5: Solve for x
    x = 332,146,522.17/26,940.25
  6. Step 6: Final answer
    x = 12,329.01

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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.