Home / 26,181.54-39,266.82-8,647.38

Finding the Fourth Proportional to 26,181.54, 39,266.82 and 8,647.38

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Solution

The fourth proportional to 26,181.54, 39,266.82 and 8,647.38 is: 12,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.54 : 39,266.82 = 8,647.38 : x
  2. Step 2: Convert to fraction form
    26,181.54/39,266.82 = 8,647.38/x
  3. Step 3: Cross multiply
    26,181.54x = 39,266.82 × 8,647.38
  4. Step 4: Simplify right side
    26,181.54x = 339,555,113.93
  5. Step 5: Solve for x
    x = 339,555,113.93/26,181.54
  6. Step 6: Final answer
    x = 12,969.26

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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.