Home / 17,128.17-25,694.70-5,282.94

Finding the Fourth Proportional to 17,128.17, 25,694.70 and 5,282.94

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Solution

The fourth proportional to 17,128.17, 25,694.70 and 5,282.94 is: 7,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.17 : 25,694.70 = 5,282.94 : x
  2. Step 2: Convert to fraction form
    17,128.17/25,694.70 = 5,282.94/x
  3. Step 3: Cross multiply
    17,128.17x = 25,694.70 × 5,282.94
  4. Step 4: Simplify right side
    17,128.17x = 135,743,558.42
  5. Step 5: Solve for x
    x = 135,743,558.42/17,128.17
  6. Step 6: Final answer
    x = 7,925.16

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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.