Home / 13,080.33-19,628.82-4,759.54

Finding the Fourth Proportional to 13,080.33, 19,628.82 and 4,759.54

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Solution

The fourth proportional to 13,080.33, 19,628.82 and 4,759.54 is: 7,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,080.33 : 19,628.82 = 4,759.54 : x
  2. Step 2: Convert to fraction form
    13,080.33/19,628.82 = 4,759.54/x
  3. Step 3: Cross multiply
    13,080.33x = 19,628.82 × 4,759.54
  4. Step 4: Simplify right side
    13,080.33x = 93,424,104.87
  5. Step 5: Solve for x
    x = 93,424,104.87/13,080.33
  6. Step 6: Final answer
    x = 7,142.34

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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.