Home / 16,771.11-25,160.30-5,085.21

Finding the Fourth Proportional to 16,771.11, 25,160.30 and 5,085.21

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Solution

The fourth proportional to 16,771.11, 25,160.30 and 5,085.21 is: 7,628.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.11 : 25,160.30 = 5,085.21 : x
  2. Step 2: Convert to fraction form
    16,771.11/25,160.30 = 5,085.21/x
  3. Step 3: Cross multiply
    16,771.11x = 25,160.30 × 5,085.21
  4. Step 4: Simplify right side
    16,771.11x = 127,945,409.16
  5. Step 5: Solve for x
    x = 127,945,409.16/16,771.11
  6. Step 6: Final answer
    x = 7,628.92

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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.