Home / 18,206.25-27,319.99-7,675.62

Finding the Fourth Proportional to 18,206.25, 27,319.99 and 7,675.62

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Solution

The fourth proportional to 18,206.25, 27,319.99 and 7,675.62 is: 11,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.25 : 27,319.99 = 7,675.62 : x
  2. Step 2: Convert to fraction form
    18,206.25/27,319.99 = 7,675.62/x
  3. Step 3: Cross multiply
    18,206.25x = 27,319.99 × 7,675.62
  4. Step 4: Simplify right side
    18,206.25x = 209,697,842.45
  5. Step 5: Solve for x
    x = 209,697,842.45/18,206.25
  6. Step 6: Final answer
    x = 11,517.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.