Home / 13,872.60-19,144.12-7,584.96

Finding the Fourth Proportional to 13,872.60, 19,144.12 and 7,584.96

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Solution

The fourth proportional to 13,872.60, 19,144.12 and 7,584.96 is: 10,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.60 : 19,144.12 = 7,584.96 : x
  2. Step 2: Convert to fraction form
    13,872.60/19,144.12 = 7,584.96/x
  3. Step 3: Cross multiply
    13,872.60x = 19,144.12 × 7,584.96
  4. Step 4: Simplify right side
    13,872.60x = 145,207,384.44
  5. Step 5: Solve for x
    x = 145,207,384.44/13,872.60
  6. Step 6: Final answer
    x = 10,467.21

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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.