Home / 13,226.04-18,253.62-7,635.96

Finding the Fourth Proportional to 13,226.04, 18,253.62 and 7,635.96

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Solution

The fourth proportional to 13,226.04, 18,253.62 and 7,635.96 is: 10,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.04 : 18,253.62 = 7,635.96 : x
  2. Step 2: Convert to fraction form
    13,226.04/18,253.62 = 7,635.96/x
  3. Step 3: Cross multiply
    13,226.04x = 18,253.62 × 7,635.96
  4. Step 4: Simplify right side
    13,226.04x = 139,383,912.18
  5. Step 5: Solve for x
    x = 139,383,912.18/13,226.04
  6. Step 6: Final answer
    x = 10,538.60

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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.