Home / 17,125.26-25,690.33-5,280.02

Finding the Fourth Proportional to 17,125.26, 25,690.33 and 5,280.02

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Solution

The fourth proportional to 17,125.26, 25,690.33 and 5,280.02 is: 7,920.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.26 : 25,690.33 = 5,280.02 : x
  2. Step 2: Convert to fraction form
    17,125.26/25,690.33 = 5,280.02/x
  3. Step 3: Cross multiply
    17,125.26x = 25,690.33 × 5,280.02
  4. Step 4: Simplify right side
    17,125.26x = 135,645,430.69
  5. Step 5: Solve for x
    x = 135,645,430.69/17,125.26
  6. Step 6: Final answer
    x = 7,920.78

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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.