Home / 26,138.11-39,202.53-11,903.33

Finding the Fourth Proportional to 26,138.11, 39,202.53 and 11,903.33

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Solution

The fourth proportional to 26,138.11, 39,202.53 and 11,903.33 is: 17,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,138.11 : 39,202.53 = 11,903.33 : x
  2. Step 2: Convert to fraction form
    26,138.11/39,202.53 = 11,903.33/x
  3. Step 3: Cross multiply
    26,138.11x = 39,202.53 × 11,903.33
  4. Step 4: Simplify right side
    26,138.11x = 466,640,455.41
  5. Step 5: Solve for x
    x = 466,640,455.41/26,138.11
  6. Step 6: Final answer
    x = 17,852.88

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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.