Home / 26,183.16-39,256.50-12,135.33

Finding the Fourth Proportional to 26,183.16, 39,256.50 and 12,135.33

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Solution

The fourth proportional to 26,183.16, 39,256.50 and 12,135.33 is: 18,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,183.16 : 39,256.50 = 12,135.33 : x
  2. Step 2: Convert to fraction form
    26,183.16/39,256.50 = 12,135.33/x
  3. Step 3: Cross multiply
    26,183.16x = 39,256.50 × 12,135.33
  4. Step 4: Simplify right side
    26,183.16x = 476,390,582.15
  5. Step 5: Solve for x
    x = 476,390,582.15/26,183.16
  6. Step 6: Final answer
    x = 18,194.54

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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.