Home / 13,576.83-18,735.03-8,273.36

Finding the Fourth Proportional to 13,576.83, 18,735.03 and 8,273.36

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Solution

The fourth proportional to 13,576.83, 18,735.03 and 8,273.36 is: 11,416.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.83 : 18,735.03 = 8,273.36 : x
  2. Step 2: Convert to fraction form
    13,576.83/18,735.03 = 8,273.36/x
  3. Step 3: Cross multiply
    13,576.83x = 18,735.03 × 8,273.36
  4. Step 4: Simplify right side
    13,576.83x = 155,001,554.13
  5. Step 5: Solve for x
    x = 155,001,554.13/13,576.83
  6. Step 6: Final answer
    x = 11,416.62

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1.5x scale

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.