Home / 13,194.99-18,208.94-7,226.61

Finding the Fourth Proportional to 13,194.99, 18,208.94 and 7,226.61

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Solution

The fourth proportional to 13,194.99, 18,208.94 and 7,226.61 is: 9,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.99 : 18,208.94 = 7,226.61 : x
  2. Step 2: Convert to fraction form
    13,194.99/18,208.94 = 7,226.61/x
  3. Step 3: Cross multiply
    13,194.99x = 18,208.94 × 7,226.61
  4. Step 4: Simplify right side
    13,194.99x = 131,588,834.92
  5. Step 5: Solve for x
    x = 131,588,834.92/13,194.99
  6. Step 6: Final answer
    x = 9,972.64

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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.