Home / 26,128.44-39,195.90-8,604.36

Finding the Fourth Proportional to 26,128.44, 39,195.90 and 8,604.36

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Solution

The fourth proportional to 26,128.44, 39,195.90 and 8,604.36 is: 12,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.44 : 39,195.90 = 8,604.36 : x
  2. Step 2: Convert to fraction form
    26,128.44/39,195.90 = 8,604.36/x
  3. Step 3: Cross multiply
    26,128.44x = 39,195.90 × 8,604.36
  4. Step 4: Simplify right side
    26,128.44x = 337,255,634.12
  5. Step 5: Solve for x
    x = 337,255,634.12/26,128.44
  6. Step 6: Final answer
    x = 12,907.61

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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.