Home / 13,317.76-19,965.12-5,104

Finding the Fourth Proportional to 13,317.76, 19,965.12 and 5,104

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Solution

The fourth proportional to 13,317.76, 19,965.12 and 5,104 is: 7,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.76 : 19,965.12 = 5,104 : x
  2. Step 2: Convert to fraction form
    13,317.76/19,965.12 = 5,104/x
  3. Step 3: Cross multiply
    13,317.76x = 19,965.12 × 5,104
  4. Step 4: Simplify right side
    13,317.76x = 101,901,972.48
  5. Step 5: Solve for x
    x = 101,901,972.48/13,317.76
  6. Step 6: Final answer
    x = 7,651.58

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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.