Home / 22,273.06-30,735.91-13,318.81

Finding the Fourth Proportional to 22,273.06, 30,735.91 and 13,318.81

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Solution

The fourth proportional to 22,273.06, 30,735.91 and 13,318.81 is: 18,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.06 : 30,735.91 = 13,318.81 : x
  2. Step 2: Convert to fraction form
    22,273.06/30,735.91 = 13,318.81/x
  3. Step 3: Cross multiply
    22,273.06x = 30,735.91 × 13,318.81
  4. Step 4: Simplify right side
    22,273.06x = 409,365,745.47
  5. Step 5: Solve for x
    x = 409,365,745.47/22,273.06
  6. Step 6: Final answer
    x = 18,379.41

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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.