Home / 16,725.29-23,080.88-9,171.74

Finding the Fourth Proportional to 16,725.29, 23,080.88 and 9,171.74

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Solution

The fourth proportional to 16,725.29, 23,080.88 and 9,171.74 is: 12,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.29 : 23,080.88 = 9,171.74 : x
  2. Step 2: Convert to fraction form
    16,725.29/23,080.88 = 9,171.74/x
  3. Step 3: Cross multiply
    16,725.29x = 23,080.88 × 9,171.74
  4. Step 4: Simplify right side
    16,725.29x = 211,691,669.07
  5. Step 5: Solve for x
    x = 211,691,669.07/16,725.29
  6. Step 6: Final answer
    x = 12,656.98

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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.