Home / 23,396.57-32,287.28-12,786.20

Finding the Fourth Proportional to 23,396.57, 32,287.28 and 12,786.20

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Solution

The fourth proportional to 23,396.57, 32,287.28 and 12,786.20 is: 17,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,396.57 : 32,287.28 = 12,786.20 : x
  2. Step 2: Convert to fraction form
    23,396.57/32,287.28 = 12,786.20/x
  3. Step 3: Cross multiply
    23,396.57x = 32,287.28 × 12,786.20
  4. Step 4: Simplify right side
    23,396.57x = 412,831,732.22
  5. Step 5: Solve for x
    x = 412,831,732.22/23,396.57
  6. Step 6: Final answer
    x = 17,644.97

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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.