Home / 19,945.67-27,524.66-10,993.20

Finding the Fourth Proportional to 19,945.67, 27,524.66 and 10,993.20

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Solution

The fourth proportional to 19,945.67, 27,524.66 and 10,993.20 is: 15,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.67 : 27,524.66 = 10,993.20 : x
  2. Step 2: Convert to fraction form
    19,945.67/27,524.66 = 10,993.20/x
  3. Step 3: Cross multiply
    19,945.67x = 27,524.66 × 10,993.20
  4. Step 4: Simplify right side
    19,945.67x = 302,584,037.35
  5. Step 5: Solve for x
    x = 302,584,037.35/19,945.67
  6. Step 6: Final answer
    x = 15,170.42

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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.