Home / 17,129.72-25,694.64-4,817.72

Finding the Fourth Proportional to 17,129.72, 25,694.64 and 4,817.72

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Solution

The fourth proportional to 17,129.72, 25,694.64 and 4,817.72 is: 7,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,129.72 : 25,694.64 = 4,817.72 : x
  2. Step 2: Convert to fraction form
    17,129.72/25,694.64 = 4,817.72/x
  3. Step 3: Cross multiply
    17,129.72x = 25,694.64 × 4,817.72
  4. Step 4: Simplify right side
    17,129.72x = 123,789,581.02
  5. Step 5: Solve for x
    x = 123,789,581.02/17,129.72
  6. Step 6: Final answer
    x = 7,226.60

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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.