Home / 20,568.96-30,849.12-6,714.72

Finding the Fourth Proportional to 20,568.96, 30,849.12 and 6,714.72

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Solution

The fourth proportional to 20,568.96, 30,849.12 and 6,714.72 is: 10,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.96 : 30,849.12 = 6,714.72 : x
  2. Step 2: Convert to fraction form
    20,568.96/30,849.12 = 6,714.72/x
  3. Step 3: Cross multiply
    20,568.96x = 30,849.12 × 6,714.72
  4. Step 4: Simplify right side
    20,568.96x = 207,143,203.05
  5. Step 5: Solve for x
    x = 207,143,203.05/20,568.96
  6. Step 6: Final answer
    x = 10,070.67

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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.