Home / 13,226.09-18,252.14-7,257.60

Finding the Fourth Proportional to 13,226.09, 18,252.14 and 7,257.60

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Solution

The fourth proportional to 13,226.09, 18,252.14 and 7,257.60 is: 10,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.09 : 18,252.14 = 7,257.60 : x
  2. Step 2: Convert to fraction form
    13,226.09/18,252.14 = 7,257.60/x
  3. Step 3: Cross multiply
    13,226.09x = 18,252.14 × 7,257.60
  4. Step 4: Simplify right side
    13,226.09x = 132,466,694.98
  5. Step 5: Solve for x
    x = 132,466,694.98/13,226.09
  6. Step 6: Final answer
    x = 10,015.56

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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.