Home / 13,162.38-19,741.62-4,276.50

Finding the Fourth Proportional to 13,162.38, 19,741.62 and 4,276.50

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Solution

The fourth proportional to 13,162.38, 19,741.62 and 4,276.50 is: 6,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,162.38 : 19,741.62 = 4,276.50 : x
  2. Step 2: Convert to fraction form
    13,162.38/19,741.62 = 4,276.50/x
  3. Step 3: Cross multiply
    13,162.38x = 19,741.62 × 4,276.50
  4. Step 4: Simplify right side
    13,162.38x = 84,425,037.93
  5. Step 5: Solve for x
    x = 84,425,037.93/13,162.38
  6. Step 6: Final answer
    x = 6,414.12

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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.