Home / 26,555.41-39,775.78-12,494.37

Finding the Fourth Proportional to 26,555.41, 39,775.78 and 12,494.37

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Solution

The fourth proportional to 26,555.41, 39,775.78 and 12,494.37 is: 18,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.41 : 39,775.78 = 12,494.37 : x
  2. Step 2: Convert to fraction form
    26,555.41/39,775.78 = 12,494.37/x
  3. Step 3: Cross multiply
    26,555.41x = 39,775.78 × 12,494.37
  4. Step 4: Simplify right side
    26,555.41x = 496,973,365.27
  5. Step 5: Solve for x
    x = 496,973,365.27/26,555.41
  6. Step 6: Final answer
    x = 18,714.58

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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.