Home / 26,080.11-39,120.26-18,323.55

Finding the Fourth Proportional to 26,080.11, 39,120.26 and 18,323.55

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Solution

The fourth proportional to 26,080.11, 39,120.26 and 18,323.55 is: 27,485.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.11 : 39,120.26 = 18,323.55 : x
  2. Step 2: Convert to fraction form
    26,080.11/39,120.26 = 18,323.55/x
  3. Step 3: Cross multiply
    26,080.11x = 39,120.26 × 18,323.55
  4. Step 4: Simplify right side
    26,080.11x = 716,822,040.12
  5. Step 5: Solve for x
    x = 716,822,040.12/26,080.11
  6. Step 6: Final answer
    x = 27,485.39

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Double scale
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Similar ratio
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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.