Home / 17,113.18-25,670.68-5,427.31

Finding the Fourth Proportional to 17,113.18, 25,670.68 and 5,427.31

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Solution

The fourth proportional to 17,113.18, 25,670.68 and 5,427.31 is: 8,141.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,113.18 : 25,670.68 = 5,427.31 : x
  2. Step 2: Convert to fraction form
    17,113.18/25,670.68 = 5,427.31/x
  3. Step 3: Cross multiply
    17,113.18x = 25,670.68 × 5,427.31
  4. Step 4: Simplify right side
    17,113.18x = 139,322,609.92
  5. Step 5: Solve for x
    x = 139,322,609.92/17,113.18
  6. Step 6: Final answer
    x = 8,141.25

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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.