Home / 36,672.64-55,011.88-11,716.20

Finding the Fourth Proportional to 36,672.64, 55,011.88 and 11,716.20

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Solution

The fourth proportional to 36,672.64, 55,011.88 and 11,716.20 is: 17,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,672.64 : 55,011.88 = 11,716.20 : x
  2. Step 2: Convert to fraction form
    36,672.64/55,011.88 = 11,716.20/x
  3. Step 3: Cross multiply
    36,672.64x = 55,011.88 × 11,716.20
  4. Step 4: Simplify right side
    36,672.64x = 644,530,188.46
  5. Step 5: Solve for x
    x = 644,530,188.46/36,672.64
  6. Step 6: Final answer
    x = 17,575.23

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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.