Home / 18,733.20-28,091.70-9,369.60

Finding the Fourth Proportional to 18,733.20, 28,091.70 and 9,369.60

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Solution

The fourth proportional to 18,733.20, 28,091.70 and 9,369.60 is: 14,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.20 : 28,091.70 = 9,369.60 : x
  2. Step 2: Convert to fraction form
    18,733.20/28,091.70 = 9,369.60/x
  3. Step 3: Cross multiply
    18,733.20x = 28,091.70 × 9,369.60
  4. Step 4: Simplify right side
    18,733.20x = 263,207,992.32
  5. Step 5: Solve for x
    x = 263,207,992.32/18,733.20
  6. Step 6: Final answer
    x = 14,050.35

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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.