Home / 18,884.16-28,287.33-11,074.14

Finding the Fourth Proportional to 18,884.16, 28,287.33 and 11,074.14

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Solution

The fourth proportional to 18,884.16, 28,287.33 and 11,074.14 is: 16,588.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,884.16 : 28,287.33 = 11,074.14 : x
  2. Step 2: Convert to fraction form
    18,884.16/28,287.33 = 11,074.14/x
  3. Step 3: Cross multiply
    18,884.16x = 28,287.33 × 11,074.14
  4. Step 4: Simplify right side
    18,884.16x = 313,257,852.65
  5. Step 5: Solve for x
    x = 313,257,852.65/18,884.16
  6. Step 6: Final answer
    x = 16,588.39

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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.