Home / 13,868.26-19,126.40-11,725.25

Finding the Fourth Proportional to 13,868.26, 19,126.40 and 11,725.25

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Solution

The fourth proportional to 13,868.26, 19,126.40 and 11,725.25 is: 16,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.26 : 19,126.40 = 11,725.25 : x
  2. Step 2: Convert to fraction form
    13,868.26/19,126.40 = 11,725.25/x
  3. Step 3: Cross multiply
    13,868.26x = 19,126.40 × 11,725.25
  4. Step 4: Simplify right side
    13,868.26x = 224,261,898.73
  5. Step 5: Solve for x
    x = 224,261,898.73/13,868.26
  6. Step 6: Final answer
    x = 16,170.88

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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.