Home / 26,010.78-39,020.22-8,476.54

Finding the Fourth Proportional to 26,010.78, 39,020.22 and 8,476.54

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Solution

The fourth proportional to 26,010.78, 39,020.22 and 8,476.54 is: 12,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,010.78 : 39,020.22 = 8,476.54 : x
  2. Step 2: Convert to fraction form
    26,010.78/39,020.22 = 8,476.54/x
  3. Step 3: Cross multiply
    26,010.78x = 39,020.22 × 8,476.54
  4. Step 4: Simplify right side
    26,010.78x = 330,756,455.64
  5. Step 5: Solve for x
    x = 330,756,455.64/26,010.78
  6. Step 6: Final answer
    x = 12,716.13

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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.