Home / 26,111.60-39,203.40-16,809.20

Finding the Fourth Proportional to 26,111.60, 39,203.40 and 16,809.20

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Solution

The fourth proportional to 26,111.60, 39,203.40 and 16,809.20 is: 25,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,111.60 : 39,203.40 = 16,809.20 : x
  2. Step 2: Convert to fraction form
    26,111.60/39,203.40 = 16,809.20/x
  3. Step 3: Cross multiply
    26,111.60x = 39,203.40 × 16,809.20
  4. Step 4: Simplify right side
    26,111.60x = 658,977,791.28
  5. Step 5: Solve for x
    x = 658,977,791.28/26,111.60
  6. Step 6: Final answer
    x = 25,236.97

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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.