Home / 14,001.27-20,999.48-5,234.37

Finding the Fourth Proportional to 14,001.27, 20,999.48 and 5,234.37

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Solution

The fourth proportional to 14,001.27, 20,999.48 and 5,234.37 is: 7,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.27 : 20,999.48 = 5,234.37 : x
  2. Step 2: Convert to fraction form
    14,001.27/20,999.48 = 5,234.37/x
  3. Step 3: Cross multiply
    14,001.27x = 20,999.48 × 5,234.37
  4. Step 4: Simplify right side
    14,001.27x = 109,919,021.96
  5. Step 5: Solve for x
    x = 109,919,021.96/14,001.27
  6. Step 6: Final answer
    x = 7,850.65

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1.5x scale

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.