Home / 17,120.30-25,680.29-9,226.53

Finding the Fourth Proportional to 17,120.30, 25,680.29 and 9,226.53

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Solution

The fourth proportional to 17,120.30, 25,680.29 and 9,226.53 is: 13,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.30 : 25,680.29 = 9,226.53 : x
  2. Step 2: Convert to fraction form
    17,120.30/25,680.29 = 9,226.53/x
  3. Step 3: Cross multiply
    17,120.30x = 25,680.29 × 9,226.53
  4. Step 4: Simplify right side
    17,120.30x = 236,939,919.96
  5. Step 5: Solve for x
    x = 236,939,919.96/17,120.30
  6. Step 6: Final answer
    x = 13,839.71

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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.