Home / 23,139.36-31,932.11-13,067.63

Finding the Fourth Proportional to 23,139.36, 31,932.11 and 13,067.63

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Solution

The fourth proportional to 23,139.36, 31,932.11 and 13,067.63 is: 18,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,139.36 : 31,932.11 = 13,067.63 : x
  2. Step 2: Convert to fraction form
    23,139.36/31,932.11 = 13,067.63/x
  3. Step 3: Cross multiply
    23,139.36x = 31,932.11 × 13,067.63
  4. Step 4: Simplify right side
    23,139.36x = 417,276,773.60
  5. Step 5: Solve for x
    x = 417,276,773.60/23,139.36
  6. Step 6: Final answer
    x = 18,033.20

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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.