Home / 20,694.73-31,060.55-9,607.67

Finding the Fourth Proportional to 20,694.73, 31,060.55 and 9,607.67

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Solution

The fourth proportional to 20,694.73, 31,060.55 and 9,607.67 is: 14,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.73 : 31,060.55 = 9,607.67 : x
  2. Step 2: Convert to fraction form
    20,694.73/31,060.55 = 9,607.67/x
  3. Step 3: Cross multiply
    20,694.73x = 31,060.55 × 9,607.67
  4. Step 4: Simplify right side
    20,694.73x = 298,419,311.08
  5. Step 5: Solve for x
    x = 298,419,311.08/20,694.73
  6. Step 6: Final answer
    x = 14,420.06

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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.