Home / 17,315.20-25,956.36-5,620.24

Finding the Fourth Proportional to 17,315.20, 25,956.36 and 5,620.24

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Solution

The fourth proportional to 17,315.20, 25,956.36 and 5,620.24 is: 8,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.20 : 25,956.36 = 5,620.24 : x
  2. Step 2: Convert to fraction form
    17,315.20/25,956.36 = 5,620.24/x
  3. Step 3: Cross multiply
    17,315.20x = 25,956.36 × 5,620.24
  4. Step 4: Simplify right side
    17,315.20x = 145,880,972.73
  5. Step 5: Solve for x
    x = 145,880,972.73/17,315.20
  6. Step 6: Final answer
    x = 8,425.02

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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.