Home / 14,523.10-21,771.76-5,161.88

Finding the Fourth Proportional to 14,523.10, 21,771.76 and 5,161.88

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Solution

The fourth proportional to 14,523.10, 21,771.76 and 5,161.88 is: 7,738.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,523.10 : 21,771.76 = 5,161.88 : x
  2. Step 2: Convert to fraction form
    14,523.10/21,771.76 = 5,161.88/x
  3. Step 3: Cross multiply
    14,523.10x = 21,771.76 × 5,161.88
  4. Step 4: Simplify right side
    14,523.10x = 112,383,212.51
  5. Step 5: Solve for x
    x = 112,383,212.51/14,523.10
  6. Step 6: Final answer
    x = 7,738.24

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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.