Home / 13,020.91-19,523.84-11,464.04

Finding the Fourth Proportional to 13,020.91, 19,523.84 and 11,464.04

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Solution

The fourth proportional to 13,020.91, 19,523.84 and 11,464.04 is: 17,189.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,020.91 : 19,523.84 = 11,464.04 : x
  2. Step 2: Convert to fraction form
    13,020.91/19,523.84 = 11,464.04/x
  3. Step 3: Cross multiply
    13,020.91x = 19,523.84 × 11,464.04
  4. Step 4: Simplify right side
    13,020.91x = 223,821,927.77
  5. Step 5: Solve for x
    x = 223,821,927.77/13,020.91
  6. Step 6: Final answer
    x = 17,189.43

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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.