Home / 17,918.24-24,727.20-9,960.48

Finding the Fourth Proportional to 17,918.24, 24,727.20 and 9,960.48

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Solution

The fourth proportional to 17,918.24, 24,727.20 and 9,960.48 is: 13,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.24 : 24,727.20 = 9,960.48 : x
  2. Step 2: Convert to fraction form
    17,918.24/24,727.20 = 9,960.48/x
  3. Step 3: Cross multiply
    17,918.24x = 24,727.20 × 9,960.48
  4. Step 4: Simplify right side
    17,918.24x = 246,294,781.06
  5. Step 5: Solve for x
    x = 246,294,781.06/17,918.24
  6. Step 6: Final answer
    x = 13,745.48

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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.