Home / 14,381.37-21,573.83-5,622.43

Finding the Fourth Proportional to 14,381.37, 21,573.83 and 5,622.43

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Solution

The fourth proportional to 14,381.37, 21,573.83 and 5,622.43 is: 8,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.37 : 21,573.83 = 5,622.43 : x
  2. Step 2: Convert to fraction form
    14,381.37/21,573.83 = 5,622.43/x
  3. Step 3: Cross multiply
    14,381.37x = 21,573.83 × 5,622.43
  4. Step 4: Simplify right side
    14,381.37x = 121,297,349.01
  5. Step 5: Solve for x
    x = 121,297,349.01/14,381.37
  6. Step 6: Final answer
    x = 8,434.34

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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.