Home / 20,736.50-31,099.23-5,941.44

Finding the Fourth Proportional to 20,736.50, 31,099.23 and 5,941.44

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Solution

The fourth proportional to 20,736.50, 31,099.23 and 5,941.44 is: 8,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736.50 : 31,099.23 = 5,941.44 : x
  2. Step 2: Convert to fraction form
    20,736.50/31,099.23 = 5,941.44/x
  3. Step 3: Cross multiply
    20,736.50x = 31,099.23 × 5,941.44
  4. Step 4: Simplify right side
    20,736.50x = 184,774,209.09
  5. Step 5: Solve for x
    x = 184,774,209.09/20,736.50
  6. Step 6: Final answer
    x = 8,910.58

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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.