Home / 23,138.14-31,928.82-13,067.58

Finding the Fourth Proportional to 23,138.14, 31,928.82 and 13,067.58

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Solution

The fourth proportional to 23,138.14, 31,928.82 and 13,067.58 is: 18,032.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,138.14 : 31,928.82 = 13,067.58 : x
  2. Step 2: Convert to fraction form
    23,138.14/31,928.82 = 13,067.58/x
  3. Step 3: Cross multiply
    23,138.14x = 31,928.82 × 13,067.58
  4. Step 4: Simplify right side
    23,138.14x = 417,232,409.66
  5. Step 5: Solve for x
    x = 417,232,409.66/23,138.14
  6. Step 6: Final answer
    x = 18,032.24

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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.