Home / 19,983.36-29,969.28-6,133.44

Finding the Fourth Proportional to 19,983.36, 29,969.28 and 6,133.44

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Solution

The fourth proportional to 19,983.36, 29,969.28 and 6,133.44 is: 9,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.36 : 29,969.28 = 6,133.44 : x
  2. Step 2: Convert to fraction form
    19,983.36/29,969.28 = 6,133.44/x
  3. Step 3: Cross multiply
    19,983.36x = 29,969.28 × 6,133.44
  4. Step 4: Simplify right side
    19,983.36x = 183,814,780.72
  5. Step 5: Solve for x
    x = 183,814,780.72/19,983.36
  6. Step 6: Final answer
    x = 9,198.39

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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.