Home / 17,286.14-23,856.32-10,020.75

Finding the Fourth Proportional to 17,286.14, 23,856.32 and 10,020.75

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Solution

The fourth proportional to 17,286.14, 23,856.32 and 10,020.75 is: 13,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,286.14 : 23,856.32 = 10,020.75 : x
  2. Step 2: Convert to fraction form
    17,286.14/23,856.32 = 10,020.75/x
  3. Step 3: Cross multiply
    17,286.14x = 23,856.32 × 10,020.75
  4. Step 4: Simplify right side
    17,286.14x = 239,058,168.54
  5. Step 5: Solve for x
    x = 239,058,168.54/17,286.14
  6. Step 6: Final answer
    x = 13,829.47

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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.