Home / 26,693.35-40,012.18-11,912.67

Finding the Fourth Proportional to 26,693.35, 40,012.18 and 11,912.67

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Solution

The fourth proportional to 26,693.35, 40,012.18 and 11,912.67 is: 17,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,693.35 : 40,012.18 = 11,912.67 : x
  2. Step 2: Convert to fraction form
    26,693.35/40,012.18 = 11,912.67/x
  3. Step 3: Cross multiply
    26,693.35x = 40,012.18 × 11,912.67
  4. Step 4: Simplify right side
    26,693.35x = 476,651,866.54
  5. Step 5: Solve for x
    x = 476,651,866.54/26,693.35
  6. Step 6: Final answer
    x = 17,856.58

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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.