Home / 26,009.82-39,014.78-8,481.06

Finding the Fourth Proportional to 26,009.82, 39,014.78 and 8,481.06

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Solution

The fourth proportional to 26,009.82, 39,014.78 and 8,481.06 is: 12,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,009.82 : 39,014.78 = 8,481.06 : x
  2. Step 2: Convert to fraction form
    26,009.82/39,014.78 = 8,481.06/x
  3. Step 3: Cross multiply
    26,009.82x = 39,014.78 × 8,481.06
  4. Step 4: Simplify right side
    26,009.82x = 330,886,647.66
  5. Step 5: Solve for x
    x = 330,886,647.66/26,009.82
  6. Step 6: Final answer
    x = 12,721.60

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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.