Home / 20,665.08-30,992.96-5,873.67

Finding the Fourth Proportional to 20,665.08, 30,992.96 and 5,873.67

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Solution

The fourth proportional to 20,665.08, 30,992.96 and 5,873.67 is: 8,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,665.08 : 30,992.96 = 5,873.67 : x
  2. Step 2: Convert to fraction form
    20,665.08/30,992.96 = 5,873.67/x
  3. Step 3: Cross multiply
    20,665.08x = 30,992.96 × 5,873.67
  4. Step 4: Simplify right side
    20,665.08x = 182,042,389.99
  5. Step 5: Solve for x
    x = 182,042,389.99/20,665.08
  6. Step 6: Final answer
    x = 8,809.18

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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.