Home / 11,605.38-17,388.70-11,173.44

Finding the Fourth Proportional to 11,605.38, 17,388.70 and 11,173.44

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Solution

The fourth proportional to 11,605.38, 17,388.70 and 11,173.44 is: 16,741.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.38 : 17,388.70 = 11,173.44 : x
  2. Step 2: Convert to fraction form
    11,605.38/17,388.70 = 11,173.44/x
  3. Step 3: Cross multiply
    11,605.38x = 17,388.70 × 11,173.44
  4. Step 4: Simplify right side
    11,605.38x = 194,291,664.83
  5. Step 5: Solve for x
    x = 194,291,664.83/11,605.38
  6. Step 6: Final answer
    x = 16,741.52

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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.