Home / 23,397.05-32,287.85-12,786.68

Finding the Fourth Proportional to 23,397.05, 32,287.85 and 12,786.68

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Solution

The fourth proportional to 23,397.05, 32,287.85 and 12,786.68 is: 17,645.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,397.05 : 32,287.85 = 12,786.68 : x
  2. Step 2: Convert to fraction form
    23,397.05/32,287.85 = 12,786.68/x
  3. Step 3: Cross multiply
    23,397.05x = 32,287.85 × 12,786.68
  4. Step 4: Simplify right side
    23,397.05x = 412,854,542.50
  5. Step 5: Solve for x
    x = 412,854,542.50/23,397.05
  6. Step 6: Final answer
    x = 17,645.58

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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.