Home / 26,542.26-39,783.21-13,872.49

Finding the Fourth Proportional to 26,542.26, 39,783.21 and 13,872.49

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Solution

The fourth proportional to 26,542.26, 39,783.21 and 13,872.49 is: 20,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.26 : 39,783.21 = 13,872.49 : x
  2. Step 2: Convert to fraction form
    26,542.26/39,783.21 = 13,872.49/x
  3. Step 3: Cross multiply
    26,542.26x = 39,783.21 × 13,872.49
  4. Step 4: Simplify right side
    26,542.26x = 551,892,083.43
  5. Step 5: Solve for x
    x = 551,892,083.43/26,542.26
  6. Step 6: Final answer
    x = 20,792.96

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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.