Home / 26,337.20-39,448.20-20,447.60

Finding the Fourth Proportional to 26,337.20, 39,448.20 and 20,447.60

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Solution

The fourth proportional to 26,337.20, 39,448.20 and 20,447.60 is: 30,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,337.20 : 39,448.20 = 20,447.60 : x
  2. Step 2: Convert to fraction form
    26,337.20/39,448.20 = 20,447.60/x
  3. Step 3: Cross multiply
    26,337.20x = 39,448.20 × 20,447.60
  4. Step 4: Simplify right side
    26,337.20x = 806,621,014.32
  5. Step 5: Solve for x
    x = 806,621,014.32/26,337.20
  6. Step 6: Final answer
    x = 30,626.68

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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.