Home / 41,198.52-61,794.60-13,120.18

Finding the Fourth Proportional to 41,198.52, 61,794.60 and 13,120.18

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Solution

The fourth proportional to 41,198.52, 61,794.60 and 13,120.18 is: 19,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,198.52 : 61,794.60 = 13,120.18 : x
  2. Step 2: Convert to fraction form
    41,198.52/61,794.60 = 13,120.18/x
  3. Step 3: Cross multiply
    41,198.52x = 61,794.60 × 13,120.18
  4. Step 4: Simplify right side
    41,198.52x = 810,756,071.34
  5. Step 5: Solve for x
    x = 810,756,071.34/41,198.52
  6. Step 6: Final answer
    x = 19,679.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.