Home / 23,163.06-31,966.98-19,379.54

Finding the Fourth Proportional to 23,163.06, 31,966.98 and 19,379.54

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Solution

The fourth proportional to 23,163.06, 31,966.98 and 19,379.54 is: 26,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,163.06 : 31,966.98 = 19,379.54 : x
  2. Step 2: Convert to fraction form
    23,163.06/31,966.98 = 19,379.54/x
  3. Step 3: Cross multiply
    23,163.06x = 31,966.98 × 19,379.54
  4. Step 4: Simplify right side
    23,163.06x = 619,505,367.59
  5. Step 5: Solve for x
    x = 619,505,367.59/23,163.06
  6. Step 6: Final answer
    x = 26,745.40

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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.