Home / 26,163.51-39,239.31-7,443.12

Finding the Fourth Proportional to 26,163.51, 39,239.31 and 7,443.12

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Solution

The fourth proportional to 26,163.51, 39,239.31 and 7,443.12 is: 11,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.51 : 39,239.31 = 7,443.12 : x
  2. Step 2: Convert to fraction form
    26,163.51/39,239.31 = 7,443.12/x
  3. Step 3: Cross multiply
    26,163.51x = 39,239.31 × 7,443.12
  4. Step 4: Simplify right side
    26,163.51x = 292,062,893.05
  5. Step 5: Solve for x
    x = 292,062,893.05/26,163.51
  6. Step 6: Final answer
    x = 11,162.99

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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.