Home / 14,446.89-21,668.45-3,917.43

Finding the Fourth Proportional to 14,446.89, 21,668.45 and 3,917.43

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Solution

The fourth proportional to 14,446.89, 21,668.45 and 3,917.43 is: 5,875.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.89 : 21,668.45 = 3,917.43 : x
  2. Step 2: Convert to fraction form
    14,446.89/21,668.45 = 3,917.43/x
  3. Step 3: Cross multiply
    14,446.89x = 21,668.45 × 3,917.43
  4. Step 4: Simplify right side
    14,446.89x = 84,884,616.50
  5. Step 5: Solve for x
    x = 84,884,616.50/14,446.89
  6. Step 6: Final answer
    x = 5,875.63

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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.