Home / 11,933.82-17,774.66-11,309.31

Finding the Fourth Proportional to 11,933.82, 17,774.66 and 11,309.31

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Solution

The fourth proportional to 11,933.82, 17,774.66 and 11,309.31 is: 16,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.82 : 17,774.66 = 11,309.31 : x
  2. Step 2: Convert to fraction form
    11,933.82/17,774.66 = 11,309.31/x
  3. Step 3: Cross multiply
    11,933.82x = 17,774.66 × 11,309.31
  4. Step 4: Simplify right side
    11,933.82x = 201,019,140.08
  5. Step 5: Solve for x
    x = 201,019,140.08/11,933.82
  6. Step 6: Final answer
    x = 16,844.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.