Home / 17,163.20-25,725.60-7,300.80

Finding the Fourth Proportional to 17,163.20, 25,725.60 and 7,300.80

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Solution

The fourth proportional to 17,163.20, 25,725.60 and 7,300.80 is: 10,943.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.20 : 25,725.60 = 7,300.80 : x
  2. Step 2: Convert to fraction form
    17,163.20/25,725.60 = 7,300.80/x
  3. Step 3: Cross multiply
    17,163.20x = 25,725.60 × 7,300.80
  4. Step 4: Simplify right side
    17,163.20x = 187,817,460.48
  5. Step 5: Solve for x
    x = 187,817,460.48/17,163.20
  6. Step 6: Final answer
    x = 10,943.03

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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.