Home / 13,231.76-19,847.43-4,472.82

Finding the Fourth Proportional to 13,231.76, 19,847.43 and 4,472.82

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Solution

The fourth proportional to 13,231.76, 19,847.43 and 4,472.82 is: 6,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.76 : 19,847.43 = 4,472.82 : x
  2. Step 2: Convert to fraction form
    13,231.76/19,847.43 = 4,472.82/x
  3. Step 3: Cross multiply
    13,231.76x = 19,847.43 × 4,472.82
  4. Step 4: Simplify right side
    13,231.76x = 88,773,981.85
  5. Step 5: Solve for x
    x = 88,773,981.85/13,231.76
  6. Step 6: Final answer
    x = 6,709.16

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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.