Home / 26,629.56-36,781.50-19,945.05

Finding the Fourth Proportional to 26,629.56, 36,781.50 and 19,945.05

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Solution

The fourth proportional to 26,629.56, 36,781.50 and 19,945.05 is: 27,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.56 : 36,781.50 = 19,945.05 : x
  2. Step 2: Convert to fraction form
    26,629.56/36,781.50 = 19,945.05/x
  3. Step 3: Cross multiply
    26,629.56x = 36,781.50 × 19,945.05
  4. Step 4: Simplify right side
    26,629.56x = 733,608,856.58
  5. Step 5: Solve for x
    x = 733,608,856.58/26,629.56
  6. Step 6: Final answer
    x = 27,548.67

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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.