Home / 13,134.83-19,699.20-4,367.39

Finding the Fourth Proportional to 13,134.83, 19,699.20 and 4,367.39

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Solution

The fourth proportional to 13,134.83, 19,699.20 and 4,367.39 is: 6,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.83 : 19,699.20 = 4,367.39 : x
  2. Step 2: Convert to fraction form
    13,134.83/19,699.20 = 4,367.39/x
  3. Step 3: Cross multiply
    13,134.83x = 19,699.20 × 4,367.39
  4. Step 4: Simplify right side
    13,134.83x = 86,033,990.59
  5. Step 5: Solve for x
    x = 86,033,990.59/13,134.83
  6. Step 6: Final answer
    x = 6,550.07

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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.