Home / 14,051.92-19,390.68-7,764.76

Finding the Fourth Proportional to 14,051.92, 19,390.68 and 7,764.76

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Solution

The fourth proportional to 14,051.92, 19,390.68 and 7,764.76 is: 10,714.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.92 : 19,390.68 = 7,764.76 : x
  2. Step 2: Convert to fraction form
    14,051.92/19,390.68 = 7,764.76/x
  3. Step 3: Cross multiply
    14,051.92x = 19,390.68 × 7,764.76
  4. Step 4: Simplify right side
    14,051.92x = 150,563,976.44
  5. Step 5: Solve for x
    x = 150,563,976.44/14,051.92
  6. Step 6: Final answer
    x = 10,714.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.