Home / 17,190.92-25,782.20-7,190.25

Finding the Fourth Proportional to 17,190.92, 25,782.20 and 7,190.25

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Solution

The fourth proportional to 17,190.92, 25,782.20 and 7,190.25 is: 10,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190.92 : 25,782.20 = 7,190.25 : x
  2. Step 2: Convert to fraction form
    17,190.92/25,782.20 = 7,190.25/x
  3. Step 3: Cross multiply
    17,190.92x = 25,782.20 × 7,190.25
  4. Step 4: Simplify right side
    17,190.92x = 185,380,427.60
  5. Step 5: Solve for x
    x = 185,380,427.60/17,190.92
  6. Step 6: Final answer
    x = 10,783.63

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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.