Home / 27,105.09-37,406.60-15,168.33

Finding the Fourth Proportional to 27,105.09, 37,406.60 and 15,168.33

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Solution

The fourth proportional to 27,105.09, 37,406.60 and 15,168.33 is: 20,933.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.09 : 37,406.60 = 15,168.33 : x
  2. Step 2: Convert to fraction form
    27,105.09/37,406.60 = 15,168.33/x
  3. Step 3: Cross multiply
    27,105.09x = 37,406.60 × 15,168.33
  4. Step 4: Simplify right side
    27,105.09x = 567,395,652.98
  5. Step 5: Solve for x
    x = 567,395,652.98/27,105.09
  6. Step 6: Final answer
    x = 20,933.18

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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.