Home / 17,273.57-23,839.65-9,720.23

Finding the Fourth Proportional to 17,273.57, 23,839.65 and 9,720.23

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Solution

The fourth proportional to 17,273.57, 23,839.65 and 9,720.23 is: 13,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,273.57 : 23,839.65 = 9,720.23 : x
  2. Step 2: Convert to fraction form
    17,273.57/23,839.65 = 9,720.23/x
  3. Step 3: Cross multiply
    17,273.57x = 23,839.65 × 9,720.23
  4. Step 4: Simplify right side
    17,273.57x = 231,726,761.92
  5. Step 5: Solve for x
    x = 231,726,761.92/17,273.57
  6. Step 6: Final answer
    x = 13,415.11

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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.