Home / 13,583.98-20,381.81-7,348.38

Finding the Fourth Proportional to 13,583.98, 20,381.81 and 7,348.38

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Solution

The fourth proportional to 13,583.98, 20,381.81 and 7,348.38 is: 11,025.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.98 : 20,381.81 = 7,348.38 : x
  2. Step 2: Convert to fraction form
    13,583.98/20,381.81 = 7,348.38/x
  3. Step 3: Cross multiply
    13,583.98x = 20,381.81 × 7,348.38
  4. Step 4: Simplify right side
    13,583.98x = 149,773,284.97
  5. Step 5: Solve for x
    x = 149,773,284.97/13,583.98
  6. Step 6: Final answer
    x = 11,025.73

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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.