Home / 16,819.60-25,232.46-5,725.72

Finding the Fourth Proportional to 16,819.60, 25,232.46 and 5,725.72

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Solution

The fourth proportional to 16,819.60, 25,232.46 and 5,725.72 is: 8,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.60 : 25,232.46 = 5,725.72 : x
  2. Step 2: Convert to fraction form
    16,819.60/25,232.46 = 5,725.72/x
  3. Step 3: Cross multiply
    16,819.60x = 25,232.46 × 5,725.72
  4. Step 4: Simplify right side
    16,819.60x = 144,474,000.87
  5. Step 5: Solve for x
    x = 144,474,000.87/16,819.60
  6. Step 6: Final answer
    x = 8,589.62

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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.