Home / 13,425.06-20,131.95-5,100.48

Finding the Fourth Proportional to 13,425.06, 20,131.95 and 5,100.48

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Solution

The fourth proportional to 13,425.06, 20,131.95 and 5,100.48 is: 7,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,425.06 : 20,131.95 = 5,100.48 : x
  2. Step 2: Convert to fraction form
    13,425.06/20,131.95 = 5,100.48/x
  3. Step 3: Cross multiply
    13,425.06x = 20,131.95 × 5,100.48
  4. Step 4: Simplify right side
    13,425.06x = 102,682,608.34
  5. Step 5: Solve for x
    x = 102,682,608.34/13,425.06
  6. Step 6: Final answer
    x = 7,648.58

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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.