Home / 13,194.73-18,209.01-7,226.65

Finding the Fourth Proportional to 13,194.73, 18,209.01 and 7,226.65

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Solution

The fourth proportional to 13,194.73, 18,209.01 and 7,226.65 is: 9,972.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.73 : 18,209.01 = 7,226.65 : x
  2. Step 2: Convert to fraction form
    13,194.73/18,209.01 = 7,226.65/x
  3. Step 3: Cross multiply
    13,194.73x = 18,209.01 × 7,226.65
  4. Step 4: Simplify right side
    13,194.73x = 131,590,142.12
  5. Step 5: Solve for x
    x = 131,590,142.12/13,194.73
  6. Step 6: Final answer
    x = 9,972.93

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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.