Home / 20,079.72-30,103.14-7,592.66

Finding the Fourth Proportional to 20,079.72, 30,103.14 and 7,592.66

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Solution

The fourth proportional to 20,079.72, 30,103.14 and 7,592.66 is: 11,382.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,079.72 : 30,103.14 = 7,592.66 : x
  2. Step 2: Convert to fraction form
    20,079.72/30,103.14 = 7,592.66/x
  3. Step 3: Cross multiply
    20,079.72x = 30,103.14 × 7,592.66
  4. Step 4: Simplify right side
    20,079.72x = 228,562,906.95
  5. Step 5: Solve for x
    x = 228,562,906.95/20,079.72
  6. Step 6: Final answer
    x = 11,382.77

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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.