Home / 14,344.08-21,512.46-5,107.92

Finding the Fourth Proportional to 14,344.08, 21,512.46 and 5,107.92

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Solution

The fourth proportional to 14,344.08, 21,512.46 and 5,107.92 is: 7,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.08 : 21,512.46 = 5,107.92 : x
  2. Step 2: Convert to fraction form
    14,344.08/21,512.46 = 5,107.92/x
  3. Step 3: Cross multiply
    14,344.08x = 21,512.46 × 5,107.92
  4. Step 4: Simplify right side
    14,344.08x = 109,883,924.68
  5. Step 5: Solve for x
    x = 109,883,924.68/14,344.08
  6. Step 6: Final answer
    x = 7,660.58

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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.