Home / 17,091.60-25,637.40-11,186.70

Finding the Fourth Proportional to 17,091.60, 25,637.40 and 11,186.70

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Solution

The fourth proportional to 17,091.60, 25,637.40 and 11,186.70 is: 16,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,091.60 : 25,637.40 = 11,186.70 : x
  2. Step 2: Convert to fraction form
    17,091.60/25,637.40 = 11,186.70/x
  3. Step 3: Cross multiply
    17,091.60x = 25,637.40 × 11,186.70
  4. Step 4: Simplify right side
    17,091.60x = 286,797,902.58
  5. Step 5: Solve for x
    x = 286,797,902.58/17,091.60
  6. Step 6: Final answer
    x = 16,780.05

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Similar ratio
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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.