Home / 23,197.72-31,993.50-18,998.68

Finding the Fourth Proportional to 23,197.72, 31,993.50 and 18,998.68

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Solution

The fourth proportional to 23,197.72, 31,993.50 and 18,998.68 is: 26,202.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,197.72 : 31,993.50 = 18,998.68 : x
  2. Step 2: Convert to fraction form
    23,197.72/31,993.50 = 18,998.68/x
  3. Step 3: Cross multiply
    23,197.72x = 31,993.50 × 18,998.68
  4. Step 4: Simplify right side
    23,197.72x = 607,834,268.58
  5. Step 5: Solve for x
    x = 607,834,268.58/23,197.72
  6. Step 6: Final answer
    x = 26,202.33

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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.