Home / 13,663.76-20,481.66-6,273.72

Finding the Fourth Proportional to 13,663.76, 20,481.66 and 6,273.72

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Solution

The fourth proportional to 13,663.76, 20,481.66 and 6,273.72 is: 9,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663.76 : 20,481.66 = 6,273.72 : x
  2. Step 2: Convert to fraction form
    13,663.76/20,481.66 = 6,273.72/x
  3. Step 3: Cross multiply
    13,663.76x = 20,481.66 × 6,273.72
  4. Step 4: Simplify right side
    13,663.76x = 128,496,199.98
  5. Step 5: Solve for x
    x = 128,496,199.98/13,663.76
  6. Step 6: Final answer
    x = 9,404.16

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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.