Home / 23,305.20-32,160.06-12,694.80

Finding the Fourth Proportional to 23,305.20, 32,160.06 and 12,694.80

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Solution

The fourth proportional to 23,305.20, 32,160.06 and 12,694.80 is: 17,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.20 : 32,160.06 = 12,694.80 : x
  2. Step 2: Convert to fraction form
    23,305.20/32,160.06 = 12,694.80/x
  3. Step 3: Cross multiply
    23,305.20x = 32,160.06 × 12,694.80
  4. Step 4: Simplify right side
    23,305.20x = 408,265,529.69
  5. Step 5: Solve for x
    x = 408,265,529.69/23,305.20
  6. Step 6: Final answer
    x = 17,518.22

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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.