Home / 14,161.20-21,251.04-5,396.19

Finding the Fourth Proportional to 14,161.20, 21,251.04 and 5,396.19

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Solution

The fourth proportional to 14,161.20, 21,251.04 and 5,396.19 is: 8,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.20 : 21,251.04 = 5,396.19 : x
  2. Step 2: Convert to fraction form
    14,161.20/21,251.04 = 5,396.19/x
  3. Step 3: Cross multiply
    14,161.20x = 21,251.04 × 5,396.19
  4. Step 4: Simplify right side
    14,161.20x = 114,674,649.54
  5. Step 5: Solve for x
    x = 114,674,649.54/14,161.20
  6. Step 6: Final answer
    x = 8,097.81

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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.