Home / 13,101.60-19,645.72-4,333.36

Finding the Fourth Proportional to 13,101.60, 19,645.72 and 4,333.36

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Solution

The fourth proportional to 13,101.60, 19,645.72 and 4,333.36 is: 6,497.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.60 : 19,645.72 = 4,333.36 : x
  2. Step 2: Convert to fraction form
    13,101.60/19,645.72 = 4,333.36/x
  3. Step 3: Cross multiply
    13,101.60x = 19,645.72 × 4,333.36
  4. Step 4: Simplify right side
    13,101.60x = 85,131,977.22
  5. Step 5: Solve for x
    x = 85,131,977.22/13,101.60
  6. Step 6: Final answer
    x = 6,497.83

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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.