Home / 23,067.22-31,831.08-13,633.96

Finding the Fourth Proportional to 23,067.22, 31,831.08 and 13,633.96

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Solution

The fourth proportional to 23,067.22, 31,831.08 and 13,633.96 is: 18,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,067.22 : 31,831.08 = 13,633.96 : x
  2. Step 2: Convert to fraction form
    23,067.22/31,831.08 = 13,633.96/x
  3. Step 3: Cross multiply
    23,067.22x = 31,831.08 × 13,633.96
  4. Step 4: Simplify right side
    23,067.22x = 433,983,671.48
  5. Step 5: Solve for x
    x = 433,983,671.48/23,067.22
  6. Step 6: Final answer
    x = 18,813.87

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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.