Home / 17,997.76-27,001.82-5,519.63

Finding the Fourth Proportional to 17,997.76, 27,001.82 and 5,519.63

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Solution

The fourth proportional to 17,997.76, 27,001.82 and 5,519.63 is: 8,281.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,997.76 : 27,001.82 = 5,519.63 : x
  2. Step 2: Convert to fraction form
    17,997.76/27,001.82 = 5,519.63/x
  3. Step 3: Cross multiply
    17,997.76x = 27,001.82 × 5,519.63
  4. Step 4: Simplify right side
    17,997.76x = 149,039,985.14
  5. Step 5: Solve for x
    x = 149,039,985.14/17,997.76
  6. Step 6: Final answer
    x = 8,281.03

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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.