Home / 23,397.14-32,287.99-12,786.78

Finding the Fourth Proportional to 23,397.14, 32,287.99 and 12,786.78

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Solution

The fourth proportional to 23,397.14, 32,287.99 and 12,786.78 is: 17,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.14 : 32,287.99 = 12,786.78 : x
  2. Step 2: Convert to fraction form
    23,397.14/32,287.99 = 12,786.78/x
  3. Step 3: Cross multiply
    23,397.14x = 32,287.99 × 12,786.78
  4. Step 4: Simplify right side
    23,397.14x = 412,859,271.73
  5. Step 5: Solve for x
    x = 412,859,271.73/23,397.14
  6. Step 6: Final answer
    x = 17,645.71

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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.