Home / 26,101.20-39,108.60-21,694.80

Finding the Fourth Proportional to 26,101.20, 39,108.60 and 21,694.80

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Solution

The fourth proportional to 26,101.20, 39,108.60 and 21,694.80 is: 32,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,101.20 : 39,108.60 = 21,694.80 : x
  2. Step 2: Convert to fraction form
    26,101.20/39,108.60 = 21,694.80/x
  3. Step 3: Cross multiply
    26,101.20x = 39,108.60 × 21,694.80
  4. Step 4: Simplify right side
    26,101.20x = 848,453,255.28
  5. Step 5: Solve for x
    x = 848,453,255.28/26,101.20
  6. Step 6: Final answer
    x = 32,506.29

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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.