Home / 26,763.78-40,148.40-9,231.33

Finding the Fourth Proportional to 26,763.78, 40,148.40 and 9,231.33

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Solution

The fourth proportional to 26,763.78, 40,148.40 and 9,231.33 is: 13,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,763.78 : 40,148.40 = 9,231.33 : x
  2. Step 2: Convert to fraction form
    26,763.78/40,148.40 = 9,231.33/x
  3. Step 3: Cross multiply
    26,763.78x = 40,148.40 × 9,231.33
  4. Step 4: Simplify right side
    26,763.78x = 370,623,314.55
  5. Step 5: Solve for x
    x = 370,623,314.55/26,763.78
  6. Step 6: Final answer
    x = 13,847.94

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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.