Home / 22,626.90-33,940.32-12,761.70

Finding the Fourth Proportional to 22,626.90, 33,940.32 and 12,761.70

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Solution

The fourth proportional to 22,626.90, 33,940.32 and 12,761.70 is: 19,142.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,626.90 : 33,940.32 = 12,761.70 : x
  2. Step 2: Convert to fraction form
    22,626.90/33,940.32 = 12,761.70/x
  3. Step 3: Cross multiply
    22,626.90x = 33,940.32 × 12,761.70
  4. Step 4: Simplify right side
    22,626.90x = 433,136,181.74
  5. Step 5: Solve for x
    x = 433,136,181.74/22,626.90
  6. Step 6: Final answer
    x = 19,142.53

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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.