Home / 14,369.77-21,552.15-3,979.09

Finding the Fourth Proportional to 14,369.77, 21,552.15 and 3,979.09

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Solution

The fourth proportional to 14,369.77, 21,552.15 and 3,979.09 is: 5,967.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.77 : 21,552.15 = 3,979.09 : x
  2. Step 2: Convert to fraction form
    14,369.77/21,552.15 = 3,979.09/x
  3. Step 3: Cross multiply
    14,369.77x = 21,552.15 × 3,979.09
  4. Step 4: Simplify right side
    14,369.77x = 85,757,836.78
  5. Step 5: Solve for x
    x = 85,757,836.78/14,369.77
  6. Step 6: Final answer
    x = 5,967.94

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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.