Home / 23,395.91-32,286.38-12,785.55

Finding the Fourth Proportional to 23,395.91, 32,286.38 and 12,785.55

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Solution

The fourth proportional to 23,395.91, 32,286.38 and 12,785.55 is: 17,644.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,395.91 : 32,286.38 = 12,785.55 : x
  2. Step 2: Convert to fraction form
    23,395.91/32,286.38 = 12,785.55/x
  3. Step 3: Cross multiply
    23,395.91x = 32,286.38 × 12,785.55
  4. Step 4: Simplify right side
    23,395.91x = 412,798,940.81
  5. Step 5: Solve for x
    x = 412,798,940.81/23,395.91
  6. Step 6: Final answer
    x = 17,644.06

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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.