Home / 20,666.08-30,994.46-5,874.67

Finding the Fourth Proportional to 20,666.08, 30,994.46 and 5,874.67

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Solution

The fourth proportional to 20,666.08, 30,994.46 and 5,874.67 is: 8,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666.08 : 30,994.46 = 5,874.67 : x
  2. Step 2: Convert to fraction form
    20,666.08/30,994.46 = 5,874.67/x
  3. Step 3: Cross multiply
    20,666.08x = 30,994.46 × 5,874.67
  4. Step 4: Simplify right side
    20,666.08x = 182,082,239.01
  5. Step 5: Solve for x
    x = 182,082,239.01/20,666.08
  6. Step 6: Final answer
    x = 8,810.68

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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.