Home / 17,474.92-24,115.62-9,920.68

Finding the Fourth Proportional to 17,474.92, 24,115.62 and 9,920.68

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Solution

The fourth proportional to 17,474.92, 24,115.62 and 9,920.68 is: 13,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,474.92 : 24,115.62 = 9,920.68 : x
  2. Step 2: Convert to fraction form
    17,474.92/24,115.62 = 9,920.68/x
  3. Step 3: Cross multiply
    17,474.92x = 24,115.62 × 9,920.68
  4. Step 4: Simplify right side
    17,474.92x = 239,243,349.02
  5. Step 5: Solve for x
    x = 239,243,349.02/17,474.92
  6. Step 6: Final answer
    x = 13,690.67

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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.