Home / 18,390.24-27,560.52-13,184.64

Finding the Fourth Proportional to 18,390.24, 27,560.52 and 13,184.64

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Solution

The fourth proportional to 18,390.24, 27,560.52 and 13,184.64 is: 19,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.24 : 27,560.52 = 13,184.64 : x
  2. Step 2: Convert to fraction form
    18,390.24/27,560.52 = 13,184.64/x
  3. Step 3: Cross multiply
    18,390.24x = 27,560.52 × 13,184.64
  4. Step 4: Simplify right side
    18,390.24x = 363,375,534.41
  5. Step 5: Solve for x
    x = 363,375,534.41/18,390.24
  6. Step 6: Final answer
    x = 19,759.15

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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.