Home / 17,680.60-26,517.66-7,150.06

Finding the Fourth Proportional to 17,680.60, 26,517.66 and 7,150.06

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Solution

The fourth proportional to 17,680.60, 26,517.66 and 7,150.06 is: 10,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.60 : 26,517.66 = 7,150.06 : x
  2. Step 2: Convert to fraction form
    17,680.60/26,517.66 = 7,150.06/x
  3. Step 3: Cross multiply
    17,680.60x = 26,517.66 × 7,150.06
  4. Step 4: Simplify right side
    17,680.60x = 189,602,860.06
  5. Step 5: Solve for x
    x = 189,602,860.06/17,680.60
  6. Step 6: Final answer
    x = 10,723.78

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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.