Home / 20,252.97-30,379.20-6,925.83

Finding the Fourth Proportional to 20,252.97, 30,379.20 and 6,925.83

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Solution

The fourth proportional to 20,252.97, 30,379.20 and 6,925.83 is: 10,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.97 : 30,379.20 = 6,925.83 : x
  2. Step 2: Convert to fraction form
    20,252.97/30,379.20 = 6,925.83/x
  3. Step 3: Cross multiply
    20,252.97x = 30,379.20 × 6,925.83
  4. Step 4: Simplify right side
    20,252.97x = 210,401,174.74
  5. Step 5: Solve for x
    x = 210,401,174.74/20,252.97
  6. Step 6: Final answer
    x = 10,388.66

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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.