Home / 17,382.47-23,983.75-11,727.70

Finding the Fourth Proportional to 17,382.47, 23,983.75 and 11,727.70

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Solution

The fourth proportional to 17,382.47, 23,983.75 and 11,727.70 is: 16,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.47 : 23,983.75 = 11,727.70 : x
  2. Step 2: Convert to fraction form
    17,382.47/23,983.75 = 11,727.70/x
  3. Step 3: Cross multiply
    17,382.47x = 23,983.75 × 11,727.70
  4. Step 4: Simplify right side
    17,382.47x = 281,274,224.88
  5. Step 5: Solve for x
    x = 281,274,224.88/17,382.47
  6. Step 6: Final answer
    x = 16,181.49

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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.