Home / 14,388.17-21,582.21-6,481.43

Finding the Fourth Proportional to 14,388.17, 21,582.21 and 6,481.43

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Solution

The fourth proportional to 14,388.17, 21,582.21 and 6,481.43 is: 9,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,388.17 : 21,582.21 = 6,481.43 : x
  2. Step 2: Convert to fraction form
    14,388.17/21,582.21 = 6,481.43/x
  3. Step 3: Cross multiply
    14,388.17x = 21,582.21 × 6,481.43
  4. Step 4: Simplify right side
    14,388.17x = 139,883,583.36
  5. Step 5: Solve for x
    x = 139,883,583.36/14,388.17
  6. Step 6: Final answer
    x = 9,722.12

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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.