Home / 13,872.44-19,143.87-7,584.83

Finding the Fourth Proportional to 13,872.44, 19,143.87 and 7,584.83

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Solution

The fourth proportional to 13,872.44, 19,143.87 and 7,584.83 is: 10,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872.44 : 19,143.87 = 7,584.83 : x
  2. Step 2: Convert to fraction form
    13,872.44/19,143.87 = 7,584.83/x
  3. Step 3: Cross multiply
    13,872.44x = 19,143.87 × 7,584.83
  4. Step 4: Simplify right side
    13,872.44x = 145,202,999.49
  5. Step 5: Solve for x
    x = 145,202,999.49/13,872.44
  6. Step 6: Final answer
    x = 10,467.01

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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.