Home / 13,948.75-20,923.24-5,183.66

Finding the Fourth Proportional to 13,948.75, 20,923.24 and 5,183.66

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Solution

The fourth proportional to 13,948.75, 20,923.24 and 5,183.66 is: 7,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.75 : 20,923.24 = 5,183.66 : x
  2. Step 2: Convert to fraction form
    13,948.75/20,923.24 = 5,183.66/x
  3. Step 3: Cross multiply
    13,948.75x = 20,923.24 × 5,183.66
  4. Step 4: Simplify right side
    13,948.75x = 108,458,831.72
  5. Step 5: Solve for x
    x = 108,458,831.72/13,948.75
  6. Step 6: Final answer
    x = 7,775.52

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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.