Home / 29,677.38-40,974.83-18,928.27

Finding the Fourth Proportional to 29,677.38, 40,974.83 and 18,928.27

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Solution

The fourth proportional to 29,677.38, 40,974.83 and 18,928.27 is: 26,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,677.38 : 40,974.83 = 18,928.27 : x
  2. Step 2: Convert to fraction form
    29,677.38/40,974.83 = 18,928.27/x
  3. Step 3: Cross multiply
    29,677.38x = 40,974.83 × 18,928.27
  4. Step 4: Simplify right side
    29,677.38x = 775,582,645.44
  5. Step 5: Solve for x
    x = 775,582,645.44/29,677.38
  6. Step 6: Final answer
    x = 26,133.80

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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.