Home / 17,687.25-24,407.64-9,728.97

Finding the Fourth Proportional to 17,687.25, 24,407.64 and 9,728.97

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Solution

The fourth proportional to 17,687.25, 24,407.64 and 9,728.97 is: 13,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,687.25 : 24,407.64 = 9,728.97 : x
  2. Step 2: Convert to fraction form
    17,687.25/24,407.64 = 9,728.97/x
  3. Step 3: Cross multiply
    17,687.25x = 24,407.64 × 9,728.97
  4. Step 4: Simplify right side
    17,687.25x = 237,461,197.33
  5. Step 5: Solve for x
    x = 237,461,197.33/17,687.25
  6. Step 6: Final answer
    x = 13,425.56

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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.