Home / 17,149.05-25,700.40-7,777.44

Finding the Fourth Proportional to 17,149.05, 25,700.40 and 7,777.44

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Solution

The fourth proportional to 17,149.05, 25,700.40 and 7,777.44 is: 11,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,149.05 : 25,700.40 = 7,777.44 : x
  2. Step 2: Convert to fraction form
    17,149.05/25,700.40 = 7,777.44/x
  3. Step 3: Cross multiply
    17,149.05x = 25,700.40 × 7,777.44
  4. Step 4: Simplify right side
    17,149.05x = 199,883,318.98
  5. Step 5: Solve for x
    x = 199,883,318.98/17,149.05
  6. Step 6: Final answer
    x = 11,655.65

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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.