Home / 14,226.84-21,338.39-4,231.38

Finding the Fourth Proportional to 14,226.84, 21,338.39 and 4,231.38

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Solution

The fourth proportional to 14,226.84, 21,338.39 and 4,231.38 is: 6,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.84 : 21,338.39 = 4,231.38 : x
  2. Step 2: Convert to fraction form
    14,226.84/21,338.39 = 4,231.38/x
  3. Step 3: Cross multiply
    14,226.84x = 21,338.39 × 4,231.38
  4. Step 4: Simplify right side
    14,226.84x = 90,290,815.52
  5. Step 5: Solve for x
    x = 90,290,815.52/14,226.84
  6. Step 6: Final answer
    x = 6,346.51

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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.