Home / 17,320.94-25,977.68-5,475.64

Finding the Fourth Proportional to 17,320.94, 25,977.68 and 5,475.64

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Solution

The fourth proportional to 17,320.94, 25,977.68 and 5,475.64 is: 8,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.94 : 25,977.68 = 5,475.64 : x
  2. Step 2: Convert to fraction form
    17,320.94/25,977.68 = 5,475.64/x
  3. Step 3: Cross multiply
    17,320.94x = 25,977.68 × 5,475.64
  4. Step 4: Simplify right side
    17,320.94x = 142,244,423.72
  5. Step 5: Solve for x
    x = 142,244,423.72/17,320.94
  6. Step 6: Final answer
    x = 8,212.28

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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.