Home / 26,140.55-39,188.77-11,338.31

Finding the Fourth Proportional to 26,140.55, 39,188.77 and 11,338.31

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Solution

The fourth proportional to 26,140.55, 39,188.77 and 11,338.31 is: 16,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,140.55 : 39,188.77 = 11,338.31 : x
  2. Step 2: Convert to fraction form
    26,140.55/39,188.77 = 11,338.31/x
  3. Step 3: Cross multiply
    26,140.55x = 39,188.77 × 11,338.31
  4. Step 4: Simplify right side
    26,140.55x = 444,334,629.66
  5. Step 5: Solve for x
    x = 444,334,629.66/26,140.55
  6. Step 6: Final answer
    x = 16,997.91

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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.