Home / 19,744.89-27,249.72-11,245.14

Finding the Fourth Proportional to 19,744.89, 27,249.72 and 11,245.14

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Solution

The fourth proportional to 19,744.89, 27,249.72 and 11,245.14 is: 15,519.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.89 : 27,249.72 = 11,245.14 : x
  2. Step 2: Convert to fraction form
    19,744.89/27,249.72 = 11,245.14/x
  3. Step 3: Cross multiply
    19,744.89x = 27,249.72 × 11,245.14
  4. Step 4: Simplify right side
    19,744.89x = 306,426,916.36
  5. Step 5: Solve for x
    x = 306,426,916.36/19,744.89
  6. Step 6: Final answer
    x = 15,519.30

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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.