Home / 19,950.11-27,531.34-10,997.94

Finding the Fourth Proportional to 19,950.11, 27,531.34 and 10,997.94

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Solution

The fourth proportional to 19,950.11, 27,531.34 and 10,997.94 is: 15,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.11 : 27,531.34 = 10,997.94 : x
  2. Step 2: Convert to fraction form
    19,950.11/27,531.34 = 10,997.94/x
  3. Step 3: Cross multiply
    19,950.11x = 27,531.34 × 10,997.94
  4. Step 4: Simplify right side
    19,950.11x = 302,788,025.44
  5. Step 5: Solve for x
    x = 302,788,025.44/19,950.11
  6. Step 6: Final answer
    x = 15,177.26

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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.