Home / 34,177.75-51,231.49-13,112.18

Finding the Fourth Proportional to 34,177.75, 51,231.49 and 13,112.18

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Solution

The fourth proportional to 34,177.75, 51,231.49 and 13,112.18 is: 19,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,177.75 : 51,231.49 = 13,112.18 : x
  2. Step 2: Convert to fraction form
    34,177.75/51,231.49 = 13,112.18/x
  3. Step 3: Cross multiply
    34,177.75x = 51,231.49 × 13,112.18
  4. Step 4: Simplify right side
    34,177.75x = 671,756,421.73
  5. Step 5: Solve for x
    x = 671,756,421.73/34,177.75
  6. Step 6: Final answer
    x = 19,654.79

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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.