Home / 17,942.72-24,760.22-9,984.77

Finding the Fourth Proportional to 17,942.72, 24,760.22 and 9,984.77

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Solution

The fourth proportional to 17,942.72, 24,760.22 and 9,984.77 is: 13,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,942.72 : 24,760.22 = 9,984.77 : x
  2. Step 2: Convert to fraction form
    17,942.72/24,760.22 = 9,984.77/x
  3. Step 3: Cross multiply
    17,942.72x = 24,760.22 × 9,984.77
  4. Step 4: Simplify right side
    17,942.72x = 247,225,020.98
  5. Step 5: Solve for x
    x = 247,225,020.98/17,942.72
  6. Step 6: Final answer
    x = 13,778.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.