Home / 13,827.24-19,083.78-8,241.48

Finding the Fourth Proportional to 13,827.24, 19,083.78 and 8,241.48

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Solution

The fourth proportional to 13,827.24, 19,083.78 and 8,241.48 is: 11,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.24 : 19,083.78 = 8,241.48 : x
  2. Step 2: Convert to fraction form
    13,827.24/19,083.78 = 8,241.48/x
  3. Step 3: Cross multiply
    13,827.24x = 19,083.78 × 8,241.48
  4. Step 4: Simplify right side
    13,827.24x = 157,278,591.19
  5. Step 5: Solve for x
    x = 157,278,591.19/13,827.24
  6. Step 6: Final answer
    x = 11,374.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.