Home / 19,949.98-27,530.64-10,997.44

Finding the Fourth Proportional to 19,949.98, 27,530.64 and 10,997.44

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Solution

The fourth proportional to 19,949.98, 27,530.64 and 10,997.44 is: 15,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.98 : 27,530.64 = 10,997.44 : x
  2. Step 2: Convert to fraction form
    19,949.98/27,530.64 = 10,997.44/x
  3. Step 3: Cross multiply
    19,949.98x = 27,530.64 × 10,997.44
  4. Step 4: Simplify right side
    19,949.98x = 302,766,561.56
  5. Step 5: Solve for x
    x = 302,766,561.56/19,949.98
  6. Step 6: Final answer
    x = 15,176.28

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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.