Home / 18,991.24-26,207.82-10,493.96

Finding the Fourth Proportional to 18,991.24, 26,207.82 and 10,493.96

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Solution

The fourth proportional to 18,991.24, 26,207.82 and 10,493.96 is: 14,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,991.24 : 26,207.82 = 10,493.96 : x
  2. Step 2: Convert to fraction form
    18,991.24/26,207.82 = 10,493.96/x
  3. Step 3: Cross multiply
    18,991.24x = 26,207.82 × 10,493.96
  4. Step 4: Simplify right side
    18,991.24x = 275,023,814.77
  5. Step 5: Solve for x
    x = 275,023,814.77/18,991.24
  6. Step 6: Final answer
    x = 14,481.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.