Home / 19,904.59-27,468.99-11,408.32

Finding the Fourth Proportional to 19,904.59, 27,468.99 and 11,408.32

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Solution

The fourth proportional to 19,904.59, 27,468.99 and 11,408.32 is: 15,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.59 : 27,468.99 = 11,408.32 : x
  2. Step 2: Convert to fraction form
    19,904.59/27,468.99 = 11,408.32/x
  3. Step 3: Cross multiply
    19,904.59x = 27,468.99 × 11,408.32
  4. Step 4: Simplify right side
    19,904.59x = 313,375,028.00
  5. Step 5: Solve for x
    x = 313,375,028.00/19,904.59
  6. Step 6: Final answer
    x = 15,743.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.