Home / 14,224.68-21,330-4,361.58

Finding the Fourth Proportional to 14,224.68, 21,330 and 4,361.58

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Solution

The fourth proportional to 14,224.68, 21,330 and 4,361.58 is: 6,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,224.68 : 21,330 = 4,361.58 : x
  2. Step 2: Convert to fraction form
    14,224.68/21,330 = 4,361.58/x
  3. Step 3: Cross multiply
    14,224.68x = 21,330 × 4,361.58
  4. Step 4: Simplify right side
    14,224.68x = 93,032,501.40
  5. Step 5: Solve for x
    x = 93,032,501.40/14,224.68
  6. Step 6: Final answer
    x = 6,540.22

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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.