Home / 13,394.13-20,091.57-5,072.58

Finding the Fourth Proportional to 13,394.13, 20,091.57 and 5,072.58

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Solution

The fourth proportional to 13,394.13, 20,091.57 and 5,072.58 is: 7,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.13 : 20,091.57 = 5,072.58 : x
  2. Step 2: Convert to fraction form
    13,394.13/20,091.57 = 5,072.58/x
  3. Step 3: Cross multiply
    13,394.13x = 20,091.57 × 5,072.58
  4. Step 4: Simplify right side
    13,394.13x = 101,916,096.15
  5. Step 5: Solve for x
    x = 101,916,096.15/13,394.13
  6. Step 6: Final answer
    x = 7,609.01

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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.