Home / 20,794.18-28,696.06-11,362.94

Finding the Fourth Proportional to 20,794.18, 28,696.06 and 11,362.94

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Solution

The fourth proportional to 20,794.18, 28,696.06 and 11,362.94 is: 15,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.18 : 28,696.06 = 11,362.94 : x
  2. Step 2: Convert to fraction form
    20,794.18/28,696.06 = 11,362.94/x
  3. Step 3: Cross multiply
    20,794.18x = 28,696.06 × 11,362.94
  4. Step 4: Simplify right side
    20,794.18x = 326,071,608.02
  5. Step 5: Solve for x
    x = 326,071,608.02/20,794.18
  6. Step 6: Final answer
    x = 15,680.91

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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.