Home / 17,125.24-25,684.62-5,438.56

Finding the Fourth Proportional to 17,125.24, 25,684.62 and 5,438.56

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Solution

The fourth proportional to 17,125.24, 25,684.62 and 5,438.56 is: 8,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,125.24 : 25,684.62 = 5,438.56 : x
  2. Step 2: Convert to fraction form
    17,125.24/25,684.62 = 5,438.56/x
  3. Step 3: Cross multiply
    17,125.24x = 25,684.62 × 5,438.56
  4. Step 4: Simplify right side
    17,125.24x = 139,687,346.95
  5. Step 5: Solve for x
    x = 139,687,346.95/17,125.24
  6. Step 6: Final answer
    x = 8,156.81

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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.