Home / 13,317.66-19,949.76-6,634.02

Finding the Fourth Proportional to 13,317.66, 19,949.76 and 6,634.02

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Solution

The fourth proportional to 13,317.66, 19,949.76 and 6,634.02 is: 9,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.66 : 19,949.76 = 6,634.02 : x
  2. Step 2: Convert to fraction form
    13,317.66/19,949.76 = 6,634.02/x
  3. Step 3: Cross multiply
    13,317.66x = 19,949.76 × 6,634.02
  4. Step 4: Simplify right side
    13,317.66x = 132,347,106.84
  5. Step 5: Solve for x
    x = 132,347,106.84/13,317.66
  6. Step 6: Final answer
    x = 9,937.71

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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.