Home / 27,173.09-40,755.29-7,447.07

Finding the Fourth Proportional to 27,173.09, 40,755.29 and 7,447.07

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Solution

The fourth proportional to 27,173.09, 40,755.29 and 7,447.07 is: 11,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,173.09 : 40,755.29 = 7,447.07 : x
  2. Step 2: Convert to fraction form
    27,173.09/40,755.29 = 7,447.07/x
  3. Step 3: Cross multiply
    27,173.09x = 40,755.29 × 7,447.07
  4. Step 4: Simplify right side
    27,173.09x = 303,507,562.15
  5. Step 5: Solve for x
    x = 303,507,562.15/27,173.09
  6. Step 6: Final answer
    x = 11,169.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.