Home / 13,388.45-20,084.91-4,621.01

Finding the Fourth Proportional to 13,388.45, 20,084.91 and 4,621.01

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Solution

The fourth proportional to 13,388.45, 20,084.91 and 4,621.01 is: 6,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.45 : 20,084.91 = 4,621.01 : x
  2. Step 2: Convert to fraction form
    13,388.45/20,084.91 = 4,621.01/x
  3. Step 3: Cross multiply
    13,388.45x = 20,084.91 × 4,621.01
  4. Step 4: Simplify right side
    13,388.45x = 92,812,546.85
  5. Step 5: Solve for x
    x = 92,812,546.85/13,388.45
  6. Step 6: Final answer
    x = 6,932.28

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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.