Home / 20,714.92-31,068.03-6,676.21

Finding the Fourth Proportional to 20,714.92, 31,068.03 and 6,676.21

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Solution

The fourth proportional to 20,714.92, 31,068.03 and 6,676.21 is: 10,012.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.92 : 31,068.03 = 6,676.21 : x
  2. Step 2: Convert to fraction form
    20,714.92/31,068.03 = 6,676.21/x
  3. Step 3: Cross multiply
    20,714.92x = 31,068.03 × 6,676.21
  4. Step 4: Simplify right side
    20,714.92x = 207,416,692.57
  5. Step 5: Solve for x
    x = 207,416,692.57/20,714.92
  6. Step 6: Final answer
    x = 10,012.91

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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.