Home / 17,822.66-24,540.37-15,829.75

Finding the Fourth Proportional to 17,822.66, 24,540.37 and 15,829.75

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Solution

The fourth proportional to 17,822.66, 24,540.37 and 15,829.75 is: 21,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,822.66 : 24,540.37 = 15,829.75 : x
  2. Step 2: Convert to fraction form
    17,822.66/24,540.37 = 15,829.75/x
  3. Step 3: Cross multiply
    17,822.66x = 24,540.37 × 15,829.75
  4. Step 4: Simplify right side
    17,822.66x = 388,467,922.01
  5. Step 5: Solve for x
    x = 388,467,922.01/17,822.66
  6. Step 6: Final answer
    x = 21,796.29

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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.