Home / 14,105.68-21,158.96-4,245.03

Finding the Fourth Proportional to 14,105.68, 21,158.96 and 4,245.03

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Solution

The fourth proportional to 14,105.68, 21,158.96 and 4,245.03 is: 6,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.68 : 21,158.96 = 4,245.03 : x
  2. Step 2: Convert to fraction form
    14,105.68/21,158.96 = 4,245.03/x
  3. Step 3: Cross multiply
    14,105.68x = 21,158.96 × 4,245.03
  4. Step 4: Simplify right side
    14,105.68x = 89,820,398.74
  5. Step 5: Solve for x
    x = 89,820,398.74/14,105.68
  6. Step 6: Final answer
    x = 6,367.68

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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.