Home / 26,478.22-39,727.62-11,676.70

Finding the Fourth Proportional to 26,478.22, 39,727.62 and 11,676.70

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Solution

The fourth proportional to 26,478.22, 39,727.62 and 11,676.70 is: 17,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.22 : 39,727.62 = 11,676.70 : x
  2. Step 2: Convert to fraction form
    26,478.22/39,727.62 = 11,676.70/x
  3. Step 3: Cross multiply
    26,478.22x = 39,727.62 × 11,676.70
  4. Step 4: Simplify right side
    26,478.22x = 463,887,500.45
  5. Step 5: Solve for x
    x = 463,887,500.45/26,478.22
  6. Step 6: Final answer
    x = 17,519.59

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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.