Home / 13,871.94-19,143.18-7,584.33

Finding the Fourth Proportional to 13,871.94, 19,143.18 and 7,584.33

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Solution

The fourth proportional to 13,871.94, 19,143.18 and 7,584.33 is: 10,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,871.94 : 19,143.18 = 7,584.33 : x
  2. Step 2: Convert to fraction form
    13,871.94/19,143.18 = 7,584.33/x
  3. Step 3: Cross multiply
    13,871.94x = 19,143.18 × 7,584.33
  4. Step 4: Simplify right side
    13,871.94x = 145,188,194.37
  5. Step 5: Solve for x
    x = 145,188,194.37/13,871.94
  6. Step 6: Final answer
    x = 10,466.32

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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.