Home / 13,381.19-20,072.73-4,615.97

Finding the Fourth Proportional to 13,381.19, 20,072.73 and 4,615.97

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Solution

The fourth proportional to 13,381.19, 20,072.73 and 4,615.97 is: 6,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,381.19 : 20,072.73 = 4,615.97 : x
  2. Step 2: Convert to fraction form
    13,381.19/20,072.73 = 4,615.97/x
  3. Step 3: Cross multiply
    13,381.19x = 20,072.73 × 4,615.97
  4. Step 4: Simplify right side
    13,381.19x = 92,655,019.13
  5. Step 5: Solve for x
    x = 92,655,019.13/13,381.19
  6. Step 6: Final answer
    x = 6,924.28

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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.