Home / 20,794.56-28,696.32-11,363.04

Finding the Fourth Proportional to 20,794.56, 28,696.32 and 11,363.04

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Solution

The fourth proportional to 20,794.56, 28,696.32 and 11,363.04 is: 15,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.56 : 28,696.32 = 11,363.04 : x
  2. Step 2: Convert to fraction form
    20,794.56/28,696.32 = 11,363.04/x
  3. Step 3: Cross multiply
    20,794.56x = 28,696.32 × 11,363.04
  4. Step 4: Simplify right side
    20,794.56x = 326,077,432.01
  5. Step 5: Solve for x
    x = 326,077,432.01/20,794.56
  6. Step 6: Final answer
    x = 15,680.90

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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.