Home / 14,119.29-21,170.83-5,348.61

Finding the Fourth Proportional to 14,119.29, 21,170.83 and 5,348.61

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Solution

The fourth proportional to 14,119.29, 21,170.83 and 5,348.61 is: 8,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.29 : 21,170.83 = 5,348.61 : x
  2. Step 2: Convert to fraction form
    14,119.29/21,170.83 = 5,348.61/x
  3. Step 3: Cross multiply
    14,119.29x = 21,170.83 × 5,348.61
  4. Step 4: Simplify right side
    14,119.29x = 113,234,513.05
  5. Step 5: Solve for x
    x = 113,234,513.05/14,119.29
  6. Step 6: Final answer
    x = 8,019.84

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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.