Home / 19,438.82-26,760.66-18,546.11

Finding the Fourth Proportional to 19,438.82, 26,760.66 and 18,546.11

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Solution

The fourth proportional to 19,438.82, 26,760.66 and 18,546.11 is: 25,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,438.82 : 26,760.66 = 18,546.11 : x
  2. Step 2: Convert to fraction form
    19,438.82/26,760.66 = 18,546.11/x
  3. Step 3: Cross multiply
    19,438.82x = 26,760.66 × 18,546.11
  4. Step 4: Simplify right side
    19,438.82x = 496,306,144.03
  5. Step 5: Solve for x
    x = 496,306,144.03/19,438.82
  6. Step 6: Final answer
    x = 25,531.70

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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.