Home / 19,950.44-27,531.78-10,998.26

Finding the Fourth Proportional to 19,950.44, 27,531.78 and 10,998.26

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Solution

The fourth proportional to 19,950.44, 27,531.78 and 10,998.26 is: 15,177.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.44 : 27,531.78 = 10,998.26 : x
  2. Step 2: Convert to fraction form
    19,950.44/27,531.78 = 10,998.26/x
  3. Step 3: Cross multiply
    19,950.44x = 27,531.78 × 10,998.26
  4. Step 4: Simplify right side
    19,950.44x = 302,801,537.04
  5. Step 5: Solve for x
    x = 302,801,537.04/19,950.44
  6. Step 6: Final answer
    x = 15,177.69

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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.