Home / 13,576.44-18,734.30-7,607.32

Finding the Fourth Proportional to 13,576.44, 18,734.30 and 7,607.32

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Solution

The fourth proportional to 13,576.44, 18,734.30 and 7,607.32 is: 10,497.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.44 : 18,734.30 = 7,607.32 : x
  2. Step 2: Convert to fraction form
    13,576.44/18,734.30 = 7,607.32/x
  3. Step 3: Cross multiply
    13,576.44x = 18,734.30 × 7,607.32
  4. Step 4: Simplify right side
    13,576.44x = 142,517,815.08
  5. Step 5: Solve for x
    x = 142,517,815.08/13,576.44
  6. Step 6: Final answer
    x = 10,497.44

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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.