Home / 20,846.52-31,276.98-13,046.04

Finding the Fourth Proportional to 20,846.52, 31,276.98 and 13,046.04

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Solution

The fourth proportional to 20,846.52, 31,276.98 and 13,046.04 is: 19,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.52 : 31,276.98 = 13,046.04 : x
  2. Step 2: Convert to fraction form
    20,846.52/31,276.98 = 13,046.04/x
  3. Step 3: Cross multiply
    20,846.52x = 31,276.98 × 13,046.04
  4. Step 4: Simplify right side
    20,846.52x = 408,040,732.16
  5. Step 5: Solve for x
    x = 408,040,732.16/20,846.52
  6. Step 6: Final answer
    x = 19,573.57

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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.