Home / 16,725.22-23,081.24-9,171.88

Finding the Fourth Proportional to 16,725.22, 23,081.24 and 9,171.88

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Solution

The fourth proportional to 16,725.22, 23,081.24 and 9,171.88 is: 12,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.22 : 23,081.24 = 9,171.88 : x
  2. Step 2: Convert to fraction form
    16,725.22/23,081.24 = 9,171.88/x
  3. Step 3: Cross multiply
    16,725.22x = 23,081.24 × 9,171.88
  4. Step 4: Simplify right side
    16,725.22x = 211,698,363.53
  5. Step 5: Solve for x
    x = 211,698,363.53/16,725.22
  6. Step 6: Final answer
    x = 12,657.43

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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.