Home / 14,381.48-21,584.49-5,622.56

Finding the Fourth Proportional to 14,381.48, 21,584.49 and 5,622.56

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Solution

The fourth proportional to 14,381.48, 21,584.49 and 5,622.56 is: 8,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.48 : 21,584.49 = 5,622.56 : x
  2. Step 2: Convert to fraction form
    14,381.48/21,584.49 = 5,622.56/x
  3. Step 3: Cross multiply
    14,381.48x = 21,584.49 × 5,622.56
  4. Step 4: Simplify right side
    14,381.48x = 121,360,090.09
  5. Step 5: Solve for x
    x = 121,360,090.09/14,381.48
  6. Step 6: Final answer
    x = 8,438.64

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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.