Home / 20,223.19-30,336.32-6,892.04

Finding the Fourth Proportional to 20,223.19, 30,336.32 and 6,892.04

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Solution

The fourth proportional to 20,223.19, 30,336.32 and 6,892.04 is: 10,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.19 : 30,336.32 = 6,892.04 : x
  2. Step 2: Convert to fraction form
    20,223.19/30,336.32 = 6,892.04/x
  3. Step 3: Cross multiply
    20,223.19x = 30,336.32 × 6,892.04
  4. Step 4: Simplify right side
    20,223.19x = 209,079,096.43
  5. Step 5: Solve for x
    x = 209,079,096.43/20,223.19
  6. Step 6: Final answer
    x = 10,338.58

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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.