Home / 14,311.83-19,748.66-7,936.88

Finding the Fourth Proportional to 14,311.83, 19,748.66 and 7,936.88

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Solution

The fourth proportional to 14,311.83, 19,748.66 and 7,936.88 is: 10,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,311.83 : 19,748.66 = 7,936.88 : x
  2. Step 2: Convert to fraction form
    14,311.83/19,748.66 = 7,936.88/x
  3. Step 3: Cross multiply
    14,311.83x = 19,748.66 × 7,936.88
  4. Step 4: Simplify right side
    14,311.83x = 156,742,665.68
  5. Step 5: Solve for x
    x = 156,742,665.68/14,311.83
  6. Step 6: Final answer
    x = 10,951.97

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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.