Home / 14,306.09-21,456.50-5,983.88

Finding the Fourth Proportional to 14,306.09, 21,456.50 and 5,983.88

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Solution

The fourth proportional to 14,306.09, 21,456.50 and 5,983.88 is: 8,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.09 : 21,456.50 = 5,983.88 : x
  2. Step 2: Convert to fraction form
    14,306.09/21,456.50 = 5,983.88/x
  3. Step 3: Cross multiply
    14,306.09x = 21,456.50 × 5,983.88
  4. Step 4: Simplify right side
    14,306.09x = 128,392,984.02
  5. Step 5: Solve for x
    x = 128,392,984.02/14,306.09
  6. Step 6: Final answer
    x = 8,974.71

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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.