Home / 26,230.60-36,198.39-15,620.68

Finding the Fourth Proportional to 26,230.60, 36,198.39 and 15,620.68

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Solution

The fourth proportional to 26,230.60, 36,198.39 and 15,620.68 is: 21,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,230.60 : 36,198.39 = 15,620.68 : x
  2. Step 2: Convert to fraction form
    26,230.60/36,198.39 = 15,620.68/x
  3. Step 3: Cross multiply
    26,230.60x = 36,198.39 × 15,620.68
  4. Step 4: Simplify right side
    26,230.60x = 565,443,466.71
  5. Step 5: Solve for x
    x = 565,443,466.71/26,230.60
  6. Step 6: Final answer
    x = 21,556.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.