Home / 13,589.36-20,381.97-4,823

Finding the Fourth Proportional to 13,589.36, 20,381.97 and 4,823

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Solution

The fourth proportional to 13,589.36, 20,381.97 and 4,823 is: 7,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.36 : 20,381.97 = 4,823 : x
  2. Step 2: Convert to fraction form
    13,589.36/20,381.97 = 4,823/x
  3. Step 3: Cross multiply
    13,589.36x = 20,381.97 × 4,823
  4. Step 4: Simplify right side
    13,589.36x = 98,302,241.31
  5. Step 5: Solve for x
    x = 98,302,241.31/13,589.36
  6. Step 6: Final answer
    x = 7,233.77

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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.