Home / 15,912.80-23,872.52-4,820.54

Finding the Fourth Proportional to 15,912.80, 23,872.52 and 4,820.54

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Solution

The fourth proportional to 15,912.80, 23,872.52 and 4,820.54 is: 7,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.80 : 23,872.52 = 4,820.54 : x
  2. Step 2: Convert to fraction form
    15,912.80/23,872.52 = 4,820.54/x
  3. Step 3: Cross multiply
    15,912.80x = 23,872.52 × 4,820.54
  4. Step 4: Simplify right side
    15,912.80x = 115,078,437.56
  5. Step 5: Solve for x
    x = 115,078,437.56/15,912.80
  6. Step 6: Final answer
    x = 7,231.82

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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.