Home / 13,514.72-20,272.01-3,653.96

Finding the Fourth Proportional to 13,514.72, 20,272.01 and 3,653.96

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Solution

The fourth proportional to 13,514.72, 20,272.01 and 3,653.96 is: 5,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514.72 : 20,272.01 = 3,653.96 : x
  2. Step 2: Convert to fraction form
    13,514.72/20,272.01 = 3,653.96/x
  3. Step 3: Cross multiply
    13,514.72x = 20,272.01 × 3,653.96
  4. Step 4: Simplify right side
    13,514.72x = 74,072,994.03
  5. Step 5: Solve for x
    x = 74,072,994.03/13,514.72
  6. Step 6: Final answer
    x = 5,480.91

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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.