Home / 13,576.41-18,735.21-7,608.60

Finding the Fourth Proportional to 13,576.41, 18,735.21 and 7,608.60

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Solution

The fourth proportional to 13,576.41, 18,735.21 and 7,608.60 is: 10,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.41 : 18,735.21 = 7,608.60 : x
  2. Step 2: Convert to fraction form
    13,576.41/18,735.21 = 7,608.60/x
  3. Step 3: Cross multiply
    13,576.41x = 18,735.21 × 7,608.60
  4. Step 4: Simplify right side
    13,576.41x = 142,548,718.81
  5. Step 5: Solve for x
    x = 142,548,718.81/13,576.41
  6. Step 6: Final answer
    x = 10,499.74

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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.