Home / 25,202.25-34,779.92-13,871.16

Finding the Fourth Proportional to 25,202.25, 34,779.92 and 13,871.16

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Solution

The fourth proportional to 25,202.25, 34,779.92 and 13,871.16 is: 19,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,202.25 : 34,779.92 = 13,871.16 : x
  2. Step 2: Convert to fraction form
    25,202.25/34,779.92 = 13,871.16/x
  3. Step 3: Cross multiply
    25,202.25x = 34,779.92 × 13,871.16
  4. Step 4: Simplify right side
    25,202.25x = 482,437,765.75
  5. Step 5: Solve for x
    x = 482,437,765.75/25,202.25
  6. Step 6: Final answer
    x = 19,142.65

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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.