Home / 15,481.82-23,214.53-6,121.46

Finding the Fourth Proportional to 15,481.82, 23,214.53 and 6,121.46

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Solution

The fourth proportional to 15,481.82, 23,214.53 and 6,121.46 is: 9,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.82 : 23,214.53 = 6,121.46 : x
  2. Step 2: Convert to fraction form
    15,481.82/23,214.53 = 6,121.46/x
  3. Step 3: Cross multiply
    15,481.82x = 23,214.53 × 6,121.46
  4. Step 4: Simplify right side
    15,481.82x = 142,106,670.13
  5. Step 5: Solve for x
    x = 142,106,670.13/15,481.82
  6. Step 6: Final answer
    x = 9,178.94

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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.