Home / 17,157.87-25,742.34-5,471.19

Finding the Fourth Proportional to 17,157.87, 25,742.34 and 5,471.19

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Solution

The fourth proportional to 17,157.87, 25,742.34 and 5,471.19 is: 8,208.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,157.87 : 25,742.34 = 5,471.19 : x
  2. Step 2: Convert to fraction form
    17,157.87/25,742.34 = 5,471.19/x
  3. Step 3: Cross multiply
    17,157.87x = 25,742.34 × 5,471.19
  4. Step 4: Simplify right side
    17,157.87x = 140,841,233.18
  5. Step 5: Solve for x
    x = 140,841,233.18/17,157.87
  6. Step 6: Final answer
    x = 8,208.55

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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.