Home / 13,468.49-20,205.77-4,109.33

Finding the Fourth Proportional to 13,468.49, 20,205.77 and 4,109.33

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Solution

The fourth proportional to 13,468.49, 20,205.77 and 4,109.33 is: 6,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.49 : 20,205.77 = 4,109.33 : x
  2. Step 2: Convert to fraction form
    13,468.49/20,205.77 = 4,109.33/x
  3. Step 3: Cross multiply
    13,468.49x = 20,205.77 × 4,109.33
  4. Step 4: Simplify right side
    13,468.49x = 83,032,176.83
  5. Step 5: Solve for x
    x = 83,032,176.83/13,468.49
  6. Step 6: Final answer
    x = 6,164.92

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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.