Home / 13,895.84-19,162.80-11,771.18

Finding the Fourth Proportional to 13,895.84, 19,162.80 and 11,771.18

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Solution

The fourth proportional to 13,895.84, 19,162.80 and 11,771.18 is: 16,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.84 : 19,162.80 = 11,771.18 : x
  2. Step 2: Convert to fraction form
    13,895.84/19,162.80 = 11,771.18/x
  3. Step 3: Cross multiply
    13,895.84x = 19,162.80 × 11,771.18
  4. Step 4: Simplify right side
    13,895.84x = 225,568,768.10
  5. Step 5: Solve for x
    x = 225,568,768.10/13,895.84
  6. Step 6: Final answer
    x = 16,232.83

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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.