Home / 26,928.38-37,148.40-18,974.98

Finding the Fourth Proportional to 26,928.38, 37,148.40 and 18,974.98

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Solution

The fourth proportional to 26,928.38, 37,148.40 and 18,974.98 is: 26,176.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,928.38 : 37,148.40 = 18,974.98 : x
  2. Step 2: Convert to fraction form
    26,928.38/37,148.40 = 18,974.98/x
  3. Step 3: Cross multiply
    26,928.38x = 37,148.40 × 18,974.98
  4. Step 4: Simplify right side
    26,928.38x = 704,890,147.03
  5. Step 5: Solve for x
    x = 704,890,147.03/26,928.38
  6. Step 6: Final answer
    x = 26,176.48

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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.