Home / 13,905.66-19,174.98-11,067.42

Finding the Fourth Proportional to 13,905.66, 19,174.98 and 11,067.42

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Solution

The fourth proportional to 13,905.66, 19,174.98 and 11,067.42 is: 15,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905.66 : 19,174.98 = 11,067.42 : x
  2. Step 2: Convert to fraction form
    13,905.66/19,174.98 = 11,067.42/x
  3. Step 3: Cross multiply
    13,905.66x = 19,174.98 × 11,067.42
  4. Step 4: Simplify right side
    13,905.66x = 212,217,557.15
  5. Step 5: Solve for x
    x = 212,217,557.15/13,905.66
  6. Step 6: Final answer
    x = 15,261.24

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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.