Home / 15,615.44-23,419.66-4,519.66

Finding the Fourth Proportional to 15,615.44, 23,419.66 and 4,519.66

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Solution

The fourth proportional to 15,615.44, 23,419.66 and 4,519.66 is: 6,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.44 : 23,419.66 = 4,519.66 : x
  2. Step 2: Convert to fraction form
    15,615.44/23,419.66 = 4,519.66/x
  3. Step 3: Cross multiply
    15,615.44x = 23,419.66 × 4,519.66
  4. Step 4: Simplify right side
    15,615.44x = 105,848,900.52
  5. Step 5: Solve for x
    x = 105,848,900.52/15,615.44
  6. Step 6: Final answer
    x = 6,778.48

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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.