Home / 19,950.33-27,531.45-10,997.98

Finding the Fourth Proportional to 19,950.33, 27,531.45 and 10,997.98

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Solution

The fourth proportional to 19,950.33, 27,531.45 and 10,997.98 is: 15,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.33 : 27,531.45 = 10,997.98 : x
  2. Step 2: Convert to fraction form
    19,950.33/27,531.45 = 10,997.98/x
  3. Step 3: Cross multiply
    19,950.33x = 27,531.45 × 10,997.98
  4. Step 4: Simplify right side
    19,950.33x = 302,790,336.47
  5. Step 5: Solve for x
    x = 302,790,336.47/19,950.33
  6. Step 6: Final answer
    x = 15,177.21

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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.