Home / 13,894.07-19,169.88-8,226.33

Finding the Fourth Proportional to 13,894.07, 19,169.88 and 8,226.33

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Solution

The fourth proportional to 13,894.07, 19,169.88 and 8,226.33 is: 11,350.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.07 : 19,169.88 = 8,226.33 : x
  2. Step 2: Convert to fraction form
    13,894.07/19,169.88 = 8,226.33/x
  3. Step 3: Cross multiply
    13,894.07x = 19,169.88 × 8,226.33
  4. Step 4: Simplify right side
    13,894.07x = 157,697,758.94
  5. Step 5: Solve for x
    x = 157,697,758.94/13,894.07
  6. Step 6: Final answer
    x = 11,350.01

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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.