Home / 26,845.76-37,026.64-18,238.60

Finding the Fourth Proportional to 26,845.76, 37,026.64 and 18,238.60

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Solution

The fourth proportional to 26,845.76, 37,026.64 and 18,238.60 is: 25,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.76 : 37,026.64 = 18,238.60 : x
  2. Step 2: Convert to fraction form
    26,845.76/37,026.64 = 18,238.60/x
  3. Step 3: Cross multiply
    26,845.76x = 37,026.64 × 18,238.60
  4. Step 4: Simplify right side
    26,845.76x = 675,314,076.30
  5. Step 5: Solve for x
    x = 675,314,076.30/26,845.76
  6. Step 6: Final answer
    x = 25,155.33

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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.