Home / 27,493.44-37,919.22-18,998.70

Finding the Fourth Proportional to 27,493.44, 37,919.22 and 18,998.70

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Solution

The fourth proportional to 27,493.44, 37,919.22 and 18,998.70 is: 26,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,493.44 : 37,919.22 = 18,998.70 : x
  2. Step 2: Convert to fraction form
    27,493.44/37,919.22 = 18,998.70/x
  3. Step 3: Cross multiply
    27,493.44x = 37,919.22 × 18,998.70
  4. Step 4: Simplify right side
    27,493.44x = 720,415,885.01
  5. Step 5: Solve for x
    x = 720,415,885.01/27,493.44
  6. Step 6: Final answer
    x = 26,203.19

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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.