Home / 22,600.86-31,201.60-15,441.54

Finding the Fourth Proportional to 22,600.86, 31,201.60 and 15,441.54

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Solution

The fourth proportional to 22,600.86, 31,201.60 and 15,441.54 is: 21,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,600.86 : 31,201.60 = 15,441.54 : x
  2. Step 2: Convert to fraction form
    22,600.86/31,201.60 = 15,441.54/x
  3. Step 3: Cross multiply
    22,600.86x = 31,201.60 × 15,441.54
  4. Step 4: Simplify right side
    22,600.86x = 481,800,637.86
  5. Step 5: Solve for x
    x = 481,800,637.86/22,600.86
  6. Step 6: Final answer
    x = 21,317.80

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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.