Home / 19,282.46-28,917.49-6,131.76

Finding the Fourth Proportional to 19,282.46, 28,917.49 and 6,131.76

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Solution

The fourth proportional to 19,282.46, 28,917.49 and 6,131.76 is: 9,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.46 : 28,917.49 = 6,131.76 : x
  2. Step 2: Convert to fraction form
    19,282.46/28,917.49 = 6,131.76/x
  3. Step 3: Cross multiply
    19,282.46x = 28,917.49 × 6,131.76
  4. Step 4: Simplify right side
    19,282.46x = 177,315,108.48
  5. Step 5: Solve for x
    x = 177,315,108.48/19,282.46
  6. Step 6: Final answer
    x = 9,195.67

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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.