Home / 16,861.96-25,291.74-5,174.56

Finding the Fourth Proportional to 16,861.96, 25,291.74 and 5,174.56

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Solution

The fourth proportional to 16,861.96, 25,291.74 and 5,174.56 is: 7,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.96 : 25,291.74 = 5,174.56 : x
  2. Step 2: Convert to fraction form
    16,861.96/25,291.74 = 5,174.56/x
  3. Step 3: Cross multiply
    16,861.96x = 25,291.74 × 5,174.56
  4. Step 4: Simplify right side
    16,861.96x = 130,873,626.13
  5. Step 5: Solve for x
    x = 130,873,626.13/16,861.96
  6. Step 6: Final answer
    x = 7,761.47

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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.