Home / 14,320.11-21,467.20-5,083.95

Finding the Fourth Proportional to 14,320.11, 21,467.20 and 5,083.95

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Solution

The fourth proportional to 14,320.11, 21,467.20 and 5,083.95 is: 7,621.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.11 : 21,467.20 = 5,083.95 : x
  2. Step 2: Convert to fraction form
    14,320.11/21,467.20 = 5,083.95/x
  3. Step 3: Cross multiply
    14,320.11x = 21,467.20 × 5,083.95
  4. Step 4: Simplify right side
    14,320.11x = 109,138,171.44
  5. Step 5: Solve for x
    x = 109,138,171.44/14,320.11
  6. Step 6: Final answer
    x = 7,621.32

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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.