Home / 18,894.14-28,302.32-11,084.12

Finding the Fourth Proportional to 18,894.14, 28,302.32 and 11,084.12

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Solution

The fourth proportional to 18,894.14, 28,302.32 and 11,084.12 is: 16,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.14 : 28,302.32 = 11,084.12 : x
  2. Step 2: Convert to fraction form
    18,894.14/28,302.32 = 11,084.12/x
  3. Step 3: Cross multiply
    18,894.14x = 28,302.32 × 11,084.12
  4. Step 4: Simplify right side
    18,894.14x = 313,706,311.16
  5. Step 5: Solve for x
    x = 313,706,311.16/18,894.14
  6. Step 6: Final answer
    x = 16,603.37

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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.