Home / 14,223.96-21,336.51-5,338.38

Finding the Fourth Proportional to 14,223.96, 21,336.51 and 5,338.38

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Solution

The fourth proportional to 14,223.96, 21,336.51 and 5,338.38 is: 8,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.96 : 21,336.51 = 5,338.38 : x
  2. Step 2: Convert to fraction form
    14,223.96/21,336.51 = 5,338.38/x
  3. Step 3: Cross multiply
    14,223.96x = 21,336.51 × 5,338.38
  4. Step 4: Simplify right side
    14,223.96x = 113,902,398.25
  5. Step 5: Solve for x
    x = 113,902,398.25/14,223.96
  6. Step 6: Final answer
    x = 8,007.78

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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.