Home / 20,794.61-28,696.58-11,234.50

Finding the Fourth Proportional to 20,794.61, 28,696.58 and 11,234.50

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Solution

The fourth proportional to 20,794.61, 28,696.58 and 11,234.50 is: 15,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.61 : 28,696.58 = 11,234.50 : x
  2. Step 2: Convert to fraction form
    20,794.61/28,696.58 = 11,234.50/x
  3. Step 3: Cross multiply
    20,794.61x = 28,696.58 × 11,234.50
  4. Step 4: Simplify right side
    20,794.61x = 322,391,600.10
  5. Step 5: Solve for x
    x = 322,391,600.10/20,794.61
  6. Step 6: Final answer
    x = 15,503.61

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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.