Home / 13,381.20-20,093.67-10,450.62

Finding the Fourth Proportional to 13,381.20, 20,093.67 and 10,450.62

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Solution

The fourth proportional to 13,381.20, 20,093.67 and 10,450.62 is: 15,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.20 : 20,093.67 = 10,450.62 : x
  2. Step 2: Convert to fraction form
    13,381.20/20,093.67 = 10,450.62/x
  3. Step 3: Cross multiply
    13,381.20x = 20,093.67 × 10,450.62
  4. Step 4: Simplify right side
    13,381.20x = 209,991,309.58
  5. Step 5: Solve for x
    x = 209,991,309.58/13,381.20
  6. Step 6: Final answer
    x = 15,693.01

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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.