Home / 19,173.14-28,750.60-6,691.66

Finding the Fourth Proportional to 19,173.14, 28,750.60 and 6,691.66

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Solution

The fourth proportional to 19,173.14, 28,750.60 and 6,691.66 is: 10,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.14 : 28,750.60 = 6,691.66 : x
  2. Step 2: Convert to fraction form
    19,173.14/28,750.60 = 6,691.66/x
  3. Step 3: Cross multiply
    19,173.14x = 28,750.60 × 6,691.66
  4. Step 4: Simplify right side
    19,173.14x = 192,389,240.00
  5. Step 5: Solve for x
    x = 192,389,240.00/19,173.14
  6. Step 6: Final answer
    x = 10,034.31

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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.