Home / 17,739.37-24,481.43-9,781.57

Finding the Fourth Proportional to 17,739.37, 24,481.43 and 9,781.57

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Solution

The fourth proportional to 17,739.37, 24,481.43 and 9,781.57 is: 13,499.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.37 : 24,481.43 = 9,781.57 : x
  2. Step 2: Convert to fraction form
    17,739.37/24,481.43 = 9,781.57/x
  3. Step 3: Cross multiply
    17,739.37x = 24,481.43 × 9,781.57
  4. Step 4: Simplify right side
    17,739.37x = 239,466,821.25
  5. Step 5: Solve for x
    x = 239,466,821.25/17,739.37
  6. Step 6: Final answer
    x = 13,499.17

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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.