Home / 20,741.16-31,107.24-5,949.84

Finding the Fourth Proportional to 20,741.16, 31,107.24 and 5,949.84

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Solution

The fourth proportional to 20,741.16, 31,107.24 and 5,949.84 is: 8,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.16 : 31,107.24 = 5,949.84 : x
  2. Step 2: Convert to fraction form
    20,741.16/31,107.24 = 5,949.84/x
  3. Step 3: Cross multiply
    20,741.16x = 31,107.24 × 5,949.84
  4. Step 4: Simplify right side
    20,741.16x = 185,083,100.84
  5. Step 5: Solve for x
    x = 185,083,100.84/20,741.16
  6. Step 6: Final answer
    x = 8,923.47

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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.