Home / 19,672.12-27,146.67-11,174.22

Finding the Fourth Proportional to 19,672.12, 27,146.67 and 11,174.22

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Solution

The fourth proportional to 19,672.12, 27,146.67 and 11,174.22 is: 15,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,672.12 : 27,146.67 = 11,174.22 : x
  2. Step 2: Convert to fraction form
    19,672.12/27,146.67 = 11,174.22/x
  3. Step 3: Cross multiply
    19,672.12x = 27,146.67 × 11,174.22
  4. Step 4: Simplify right side
    19,672.12x = 303,342,755.05
  5. Step 5: Solve for x
    x = 303,342,755.05/19,672.12
  6. Step 6: Final answer
    x = 15,419.93

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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.