Home / 15,175.83-22,749.88-5,309.73

Finding the Fourth Proportional to 15,175.83, 22,749.88 and 5,309.73

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Solution

The fourth proportional to 15,175.83, 22,749.88 and 5,309.73 is: 7,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.83 : 22,749.88 = 5,309.73 : x
  2. Step 2: Convert to fraction form
    15,175.83/22,749.88 = 5,309.73/x
  3. Step 3: Cross multiply
    15,175.83x = 22,749.88 × 5,309.73
  4. Step 4: Simplify right side
    15,175.83x = 120,795,653.03
  5. Step 5: Solve for x
    x = 120,795,653.03/15,175.83
  6. Step 6: Final answer
    x = 7,959.74

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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.