Home / 11,590.50-17,236.65-11,221.46

Finding the Fourth Proportional to 11,590.50, 17,236.65 and 11,221.46

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Solution

The fourth proportional to 11,590.50, 17,236.65 and 11,221.46 is: 16,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.50 : 17,236.65 = 11,221.46 : x
  2. Step 2: Convert to fraction form
    11,590.50/17,236.65 = 11,221.46/x
  3. Step 3: Cross multiply
    11,590.50x = 17,236.65 × 11,221.46
  4. Step 4: Simplify right side
    11,590.50x = 193,420,292.33
  5. Step 5: Solve for x
    x = 193,420,292.33/11,590.50
  6. Step 6: Final answer
    x = 16,687.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.