Home / 13,450.03-20,178.29-4,216.03

Finding the Fourth Proportional to 13,450.03, 20,178.29 and 4,216.03

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Solution

The fourth proportional to 13,450.03, 20,178.29 and 4,216.03 is: 6,325.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.03 : 20,178.29 = 4,216.03 : x
  2. Step 2: Convert to fraction form
    13,450.03/20,178.29 = 4,216.03/x
  3. Step 3: Cross multiply
    13,450.03x = 20,178.29 × 4,216.03
  4. Step 4: Simplify right side
    13,450.03x = 85,072,295.94
  5. Step 5: Solve for x
    x = 85,072,295.94/13,450.03
  6. Step 6: Final answer
    x = 6,325.06

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1.5x scale

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.