Home / 13,318.83-19,956.38-4,548.96

Finding the Fourth Proportional to 13,318.83, 19,956.38 and 4,548.96

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Solution

The fourth proportional to 13,318.83, 19,956.38 and 4,548.96 is: 6,815.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,318.83 : 19,956.38 = 4,548.96 : x
  2. Step 2: Convert to fraction form
    13,318.83/19,956.38 = 4,548.96/x
  3. Step 3: Cross multiply
    13,318.83x = 19,956.38 × 4,548.96
  4. Step 4: Simplify right side
    13,318.83x = 90,780,751.62
  5. Step 5: Solve for x
    x = 90,780,751.62/13,318.83
  6. Step 6: Final answer
    x = 6,815.97

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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.