Home / 19,948.88-27,530.52-10,997.48

Finding the Fourth Proportional to 19,948.88, 27,530.52 and 10,997.48

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Solution

The fourth proportional to 19,948.88, 27,530.52 and 10,997.48 is: 15,177.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,948.88 : 27,530.52 = 10,997.48 : x
  2. Step 2: Convert to fraction form
    19,948.88/27,530.52 = 10,997.48/x
  3. Step 3: Cross multiply
    19,948.88x = 27,530.52 × 10,997.48
  4. Step 4: Simplify right side
    19,948.88x = 302,766,343.09
  5. Step 5: Solve for x
    x = 302,766,343.09/19,948.88
  6. Step 6: Final answer
    x = 15,177.11

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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.