Home / 13,849.72-20,759.46-5,077.24

Finding the Fourth Proportional to 13,849.72, 20,759.46 and 5,077.24

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Solution

The fourth proportional to 13,849.72, 20,759.46 and 5,077.24 is: 7,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.72 : 20,759.46 = 5,077.24 : x
  2. Step 2: Convert to fraction form
    13,849.72/20,759.46 = 5,077.24/x
  3. Step 3: Cross multiply
    13,849.72x = 20,759.46 × 5,077.24
  4. Step 4: Simplify right side
    13,849.72x = 105,400,760.69
  5. Step 5: Solve for x
    x = 105,400,760.69/13,849.72
  6. Step 6: Final answer
    x = 7,610.32

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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.