Home / 19,945.98-27,524.21-10,993.56

Finding the Fourth Proportional to 19,945.98, 27,524.21 and 10,993.56

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Solution

The fourth proportional to 19,945.98, 27,524.21 and 10,993.56 is: 15,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,945.98 : 27,524.21 = 10,993.56 : x
  2. Step 2: Convert to fraction form
    19,945.98/27,524.21 = 10,993.56/x
  3. Step 3: Cross multiply
    19,945.98x = 27,524.21 × 10,993.56
  4. Step 4: Simplify right side
    19,945.98x = 302,588,916.47
  5. Step 5: Solve for x
    x = 302,588,916.47/19,945.98
  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.