Home / 17,122.89-25,674.09-7,115.57

Finding the Fourth Proportional to 17,122.89, 25,674.09 and 7,115.57

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Solution

The fourth proportional to 17,122.89, 25,674.09 and 7,115.57 is: 10,669.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,122.89 : 25,674.09 = 7,115.57 : x
  2. Step 2: Convert to fraction form
    17,122.89/25,674.09 = 7,115.57/x
  3. Step 3: Cross multiply
    17,122.89x = 25,674.09 × 7,115.57
  4. Step 4: Simplify right side
    17,122.89x = 182,685,684.82
  5. Step 5: Solve for x
    x = 182,685,684.82/17,122.89
  6. Step 6: Final answer
    x = 10,669.09

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1.5x scale

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.