Home / 19,697.82-27,183.36-11,200.26

Finding the Fourth Proportional to 19,697.82, 27,183.36 and 11,200.26

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Solution

The fourth proportional to 19,697.82, 27,183.36 and 11,200.26 is: 15,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,697.82 : 27,183.36 = 11,200.26 : x
  2. Step 2: Convert to fraction form
    19,697.82/27,183.36 = 11,200.26/x
  3. Step 3: Cross multiply
    19,697.82x = 27,183.36 × 11,200.26
  4. Step 4: Simplify right side
    19,697.82x = 304,460,699.67
  5. Step 5: Solve for x
    x = 304,460,699.67/19,697.82
  6. Step 6: Final answer
    x = 15,456.57

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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.