Home / 13,576.26-18,735.66-7,606.56

Finding the Fourth Proportional to 13,576.26, 18,735.66 and 7,606.56

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Solution

The fourth proportional to 13,576.26, 18,735.66 and 7,606.56 is: 10,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.26 : 18,735.66 = 7,606.56 : x
  2. Step 2: Convert to fraction form
    13,576.26/18,735.66 = 7,606.56/x
  3. Step 3: Cross multiply
    13,576.26x = 18,735.66 × 7,606.56
  4. Step 4: Simplify right side
    13,576.26x = 142,513,921.93
  5. Step 5: Solve for x
    x = 142,513,921.93/13,576.26
  6. Step 6: Final answer
    x = 10,497.29

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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.