Home / 26,131.62-39,109.94-21,451.44

Finding the Fourth Proportional to 26,131.62, 39,109.94 and 21,451.44

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Solution

The fourth proportional to 26,131.62, 39,109.94 and 21,451.44 is: 32,105.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.62 : 39,109.94 = 21,451.44 : x
  2. Step 2: Convert to fraction form
    26,131.62/39,109.94 = 21,451.44/x
  3. Step 3: Cross multiply
    26,131.62x = 39,109.94 × 21,451.44
  4. Step 4: Simplify right side
    26,131.62x = 838,964,531.31
  5. Step 5: Solve for x
    x = 838,964,531.31/26,131.62
  6. Step 6: Final answer
    x = 32,105.34

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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.