Home / 17,319.97-25,979.96-4,172.34

Finding the Fourth Proportional to 17,319.97, 25,979.96 and 4,172.34

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Solution

The fourth proportional to 17,319.97, 25,979.96 and 4,172.34 is: 6,258.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,319.97 : 25,979.96 = 4,172.34 : x
  2. Step 2: Convert to fraction form
    17,319.97/25,979.96 = 4,172.34/x
  3. Step 3: Cross multiply
    17,319.97x = 25,979.96 × 4,172.34
  4. Step 4: Simplify right side
    17,319.97x = 108,397,226.31
  5. Step 5: Solve for x
    x = 108,397,226.31/17,319.97
  6. Step 6: Final answer
    x = 6,258.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.