Home / 15,972.64-23,969.84-5,584.36

Finding the Fourth Proportional to 15,972.64, 23,969.84 and 5,584.36

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Solution

The fourth proportional to 15,972.64, 23,969.84 and 5,584.36 is: 8,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,972.64 : 23,969.84 = 5,584.36 : x
  2. Step 2: Convert to fraction form
    15,972.64/23,969.84 = 5,584.36/x
  3. Step 3: Cross multiply
    15,972.64x = 23,969.84 × 5,584.36
  4. Step 4: Simplify right side
    15,972.64x = 133,856,215.70
  5. Step 5: Solve for x
    x = 133,856,215.70/15,972.64
  6. Step 6: Final answer
    x = 8,380.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.