Home / 26,161.89-39,220.72-11,359.61

Finding the Fourth Proportional to 26,161.89, 39,220.72 and 11,359.61

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Solution

The fourth proportional to 26,161.89, 39,220.72 and 11,359.61 is: 17,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,161.89 : 39,220.72 = 11,359.61 : x
  2. Step 2: Convert to fraction form
    26,161.89/39,220.72 = 11,359.61/x
  3. Step 3: Cross multiply
    26,161.89x = 39,220.72 × 11,359.61
  4. Step 4: Simplify right side
    26,161.89x = 445,532,026.32
  5. Step 5: Solve for x
    x = 445,532,026.32/26,161.89
  6. Step 6: Final answer
    x = 17,029.81

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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.