Home / 13,817.81-20,732.79-5,054.03

Finding the Fourth Proportional to 13,817.81, 20,732.79 and 5,054.03

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Solution

The fourth proportional to 13,817.81, 20,732.79 and 5,054.03 is: 7,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,817.81 : 20,732.79 = 5,054.03 : x
  2. Step 2: Convert to fraction form
    13,817.81/20,732.79 = 5,054.03/x
  3. Step 3: Cross multiply
    13,817.81x = 20,732.79 × 5,054.03
  4. Step 4: Simplify right side
    13,817.81x = 104,784,142.64
  5. Step 5: Solve for x
    x = 104,784,142.64/13,817.81
  6. Step 6: Final answer
    x = 7,583.27

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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.