Home / 17,261.65-25,892.82-5,415.18

Finding the Fourth Proportional to 17,261.65, 25,892.82 and 5,415.18

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Solution

The fourth proportional to 17,261.65, 25,892.82 and 5,415.18 is: 8,122.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,261.65 : 25,892.82 = 5,415.18 : x
  2. Step 2: Convert to fraction form
    17,261.65/25,892.82 = 5,415.18/x
  3. Step 3: Cross multiply
    17,261.65x = 25,892.82 × 5,415.18
  4. Step 4: Simplify right side
    17,261.65x = 140,214,183.91
  5. Step 5: Solve for x
    x = 140,214,183.91/17,261.65
  6. Step 6: Final answer
    x = 8,122.87

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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.