Home / 26,395.44-39,483.72-20,107.86

Finding the Fourth Proportional to 26,395.44, 39,483.72 and 20,107.86

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Solution

The fourth proportional to 26,395.44, 39,483.72 and 20,107.86 is: 30,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,395.44 : 39,483.72 = 20,107.86 : x
  2. Step 2: Convert to fraction form
    26,395.44/39,483.72 = 20,107.86/x
  3. Step 3: Cross multiply
    26,395.44x = 39,483.72 × 20,107.86
  4. Step 4: Simplify right side
    26,395.44x = 793,933,114.04
  5. Step 5: Solve for x
    x = 793,933,114.04/26,395.44
  6. Step 6: Final answer
    x = 30,078.42

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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.