Home / 18,217.22-27,339.15-11,659.46

Finding the Fourth Proportional to 18,217.22, 27,339.15 and 11,659.46

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Solution

The fourth proportional to 18,217.22, 27,339.15 and 11,659.46 is: 17,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217.22 : 27,339.15 = 11,659.46 : x
  2. Step 2: Convert to fraction form
    18,217.22/27,339.15 = 11,659.46/x
  3. Step 3: Cross multiply
    18,217.22x = 27,339.15 × 11,659.46
  4. Step 4: Simplify right side
    18,217.22x = 318,759,725.86
  5. Step 5: Solve for x
    x = 318,759,725.86/18,217.22
  6. Step 6: Final answer
    x = 17,497.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.