Home / 17,020.71-25,531.24-5,176.40

Finding the Fourth Proportional to 17,020.71, 25,531.24 and 5,176.40

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Solution

The fourth proportional to 17,020.71, 25,531.24 and 5,176.40 is: 7,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.71 : 25,531.24 = 5,176.40 : x
  2. Step 2: Convert to fraction form
    17,020.71/25,531.24 = 5,176.40/x
  3. Step 3: Cross multiply
    17,020.71x = 25,531.24 × 5,176.40
  4. Step 4: Simplify right side
    17,020.71x = 132,159,961.62
  5. Step 5: Solve for x
    x = 132,159,961.62/17,020.71
  6. Step 6: Final answer
    x = 7,764.66

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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.