Home / 13,083.81-19,629.78-4,324.86

Finding the Fourth Proportional to 13,083.81, 19,629.78 and 4,324.86

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Solution

The fourth proportional to 13,083.81, 19,629.78 and 4,324.86 is: 6,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.81 : 19,629.78 = 4,324.86 : x
  2. Step 2: Convert to fraction form
    13,083.81/19,629.78 = 4,324.86/x
  3. Step 3: Cross multiply
    13,083.81x = 19,629.78 × 4,324.86
  4. Step 4: Simplify right side
    13,083.81x = 84,896,050.33
  5. Step 5: Solve for x
    x = 84,896,050.33/13,083.81
  6. Step 6: Final answer
    x = 6,488.63

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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.