Home / 23,144.09-31,938.77-13,072.03

Finding the Fourth Proportional to 23,144.09, 31,938.77 and 13,072.03

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Solution

The fourth proportional to 23,144.09, 31,938.77 and 13,072.03 is: 18,039.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,144.09 : 31,938.77 = 13,072.03 : x
  2. Step 2: Convert to fraction form
    23,144.09/31,938.77 = 13,072.03/x
  3. Step 3: Cross multiply
    23,144.09x = 31,938.77 × 13,072.03
  4. Step 4: Simplify right side
    23,144.09x = 417,504,512.44
  5. Step 5: Solve for x
    x = 417,504,512.44/23,144.09
  6. Step 6: Final answer
    x = 18,039.36

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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.