Home / 13,917.16-20,865.66-5,029.48

Finding the Fourth Proportional to 13,917.16, 20,865.66 and 5,029.48

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Solution

The fourth proportional to 13,917.16, 20,865.66 and 5,029.48 is: 7,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.16 : 20,865.66 = 5,029.48 : x
  2. Step 2: Convert to fraction form
    13,917.16/20,865.66 = 5,029.48/x
  3. Step 3: Cross multiply
    13,917.16x = 20,865.66 × 5,029.48
  4. Step 4: Simplify right side
    13,917.16x = 104,943,419.66
  5. Step 5: Solve for x
    x = 104,943,419.66/13,917.16
  6. Step 6: Final answer
    x = 7,540.58

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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.