Home / 17,021.21-25,531.99-5,176.91

Finding the Fourth Proportional to 17,021.21, 25,531.99 and 5,176.91

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Solution

The fourth proportional to 17,021.21, 25,531.99 and 5,176.91 is: 7,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,021.21 : 25,531.99 = 5,176.91 : x
  2. Step 2: Convert to fraction form
    17,021.21/25,531.99 = 5,176.91/x
  3. Step 3: Cross multiply
    17,021.21x = 25,531.99 × 5,176.91
  4. Step 4: Simplify right side
    17,021.21x = 132,176,686.69
  5. Step 5: Solve for x
    x = 132,176,686.69/17,021.21
  6. Step 6: Final answer
    x = 7,765.41

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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.