Home / 13,450.62-18,562.06-8,145.94

Finding the Fourth Proportional to 13,450.62, 18,562.06 and 8,145.94

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Solution

The fourth proportional to 13,450.62, 18,562.06 and 8,145.94 is: 11,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.62 : 18,562.06 = 8,145.94 : x
  2. Step 2: Convert to fraction form
    13,450.62/18,562.06 = 8,145.94/x
  3. Step 3: Cross multiply
    13,450.62x = 18,562.06 × 8,145.94
  4. Step 4: Simplify right side
    13,450.62x = 151,205,427.04
  5. Step 5: Solve for x
    x = 151,205,427.04/13,450.62
  6. Step 6: Final answer
    x = 11,241.52

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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.