Home / 18,895.14-28,303.82-11,085.12

Finding the Fourth Proportional to 18,895.14, 28,303.82 and 11,085.12

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Solution

The fourth proportional to 18,895.14, 28,303.82 and 11,085.12 is: 16,604.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.14 : 28,303.82 = 11,085.12 : x
  2. Step 2: Convert to fraction form
    18,895.14/28,303.82 = 11,085.12/x
  3. Step 3: Cross multiply
    18,895.14x = 28,303.82 × 11,085.12
  4. Step 4: Simplify right side
    18,895.14x = 313,751,241.16
  5. Step 5: Solve for x
    x = 313,751,241.16/18,895.14
  6. Step 6: Final answer
    x = 16,604.86

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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.