Home / 23,694.96-32,660.79-20,620.95

Finding the Fourth Proportional to 23,694.96, 32,660.79 and 20,620.95

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Solution

The fourth proportional to 23,694.96, 32,660.79 and 20,620.95 is: 28,423.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,694.96 : 32,660.79 = 20,620.95 : x
  2. Step 2: Convert to fraction form
    23,694.96/32,660.79 = 20,620.95/x
  3. Step 3: Cross multiply
    23,694.96x = 32,660.79 × 20,620.95
  4. Step 4: Simplify right side
    23,694.96x = 673,496,317.74
  5. Step 5: Solve for x
    x = 673,496,317.74/23,694.96
  6. Step 6: Final answer
    x = 28,423.61

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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.