Home / 20,564.92-30,844.50-6,714.04

Finding the Fourth Proportional to 20,564.92, 30,844.50 and 6,714.04

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Solution

The fourth proportional to 20,564.92, 30,844.50 and 6,714.04 is: 10,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.92 : 30,844.50 = 6,714.04 : x
  2. Step 2: Convert to fraction form
    20,564.92/30,844.50 = 6,714.04/x
  3. Step 3: Cross multiply
    20,564.92x = 30,844.50 × 6,714.04
  4. Step 4: Simplify right side
    20,564.92x = 207,091,206.78
  5. Step 5: Solve for x
    x = 207,091,206.78/20,564.92
  6. Step 6: Final answer
    x = 10,070.12

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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.