Home / 17,220.97-25,825.95-6,690.25

Finding the Fourth Proportional to 17,220.97, 25,825.95 and 6,690.25

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Solution

The fourth proportional to 17,220.97, 25,825.95 and 6,690.25 is: 10,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.97 : 25,825.95 = 6,690.25 : x
  2. Step 2: Convert to fraction form
    17,220.97/25,825.95 = 6,690.25/x
  3. Step 3: Cross multiply
    17,220.97x = 25,825.95 × 6,690.25
  4. Step 4: Simplify right side
    17,220.97x = 172,782,061.99
  5. Step 5: Solve for x
    x = 172,782,061.99/17,220.97
  6. Step 6: Final answer
    x = 10,033.24

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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.