Home / 13,122-19,676.52-4,800.87

Finding the Fourth Proportional to 13,122, 19,676.52 and 4,800.87

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Solution

The fourth proportional to 13,122, 19,676.52 and 4,800.87 is: 7,198.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122 : 19,676.52 = 4,800.87 : x
  2. Step 2: Convert to fraction form
    13,122/19,676.52 = 4,800.87/x
  3. Step 3: Cross multiply
    13,122x = 19,676.52 × 4,800.87
  4. Step 4: Simplify right side
    13,122x = 94,464,414.57
  5. Step 5: Solve for x
    x = 94,464,414.57/13,122
  6. Step 6: Final answer
    x = 7,198.93

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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.