Home / 17,144.88-25,720.20-5,461.68

Finding the Fourth Proportional to 17,144.88, 25,720.20 and 5,461.68

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Solution

The fourth proportional to 17,144.88, 25,720.20 and 5,461.68 is: 8,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,144.88 : 25,720.20 = 5,461.68 : x
  2. Step 2: Convert to fraction form
    17,144.88/25,720.20 = 5,461.68/x
  3. Step 3: Cross multiply
    17,144.88x = 25,720.20 × 5,461.68
  4. Step 4: Simplify right side
    17,144.88x = 140,475,501.94
  5. Step 5: Solve for x
    x = 140,475,501.94/17,144.88
  6. Step 6: Final answer
    x = 8,193.44

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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.