Home / 13,823.69-19,076.60-7,536.11

Finding the Fourth Proportional to 13,823.69, 19,076.60 and 7,536.11

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Solution

The fourth proportional to 13,823.69, 19,076.60 and 7,536.11 is: 10,399.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823.69 : 19,076.60 = 7,536.11 : x
  2. Step 2: Convert to fraction form
    13,823.69/19,076.60 = 7,536.11/x
  3. Step 3: Cross multiply
    13,823.69x = 19,076.60 × 7,536.11
  4. Step 4: Simplify right side
    13,823.69x = 143,763,318.35
  5. Step 5: Solve for x
    x = 143,763,318.35/13,823.69
  6. Step 6: Final answer
    x = 10,399.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.