Home / 14,121.42-21,186.99-6,335.70

Finding the Fourth Proportional to 14,121.42, 21,186.99 and 6,335.70

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Solution

The fourth proportional to 14,121.42, 21,186.99 and 6,335.70 is: 9,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.42 : 21,186.99 = 6,335.70 : x
  2. Step 2: Convert to fraction form
    14,121.42/21,186.99 = 6,335.70/x
  3. Step 3: Cross multiply
    14,121.42x = 21,186.99 × 6,335.70
  4. Step 4: Simplify right side
    14,121.42x = 134,234,412.54
  5. Step 5: Solve for x
    x = 134,234,412.54/14,121.42
  6. Step 6: Final answer
    x = 9,505.73

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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.