Home / 26,296.22-39,433.80-12,435.50

Finding the Fourth Proportional to 26,296.22, 39,433.80 and 12,435.50

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Solution

The fourth proportional to 26,296.22, 39,433.80 and 12,435.50 is: 18,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,296.22 : 39,433.80 = 12,435.50 : x
  2. Step 2: Convert to fraction form
    26,296.22/39,433.80 = 12,435.50/x
  3. Step 3: Cross multiply
    26,296.22x = 39,433.80 × 12,435.50
  4. Step 4: Simplify right side
    26,296.22x = 490,379,019.90
  5. Step 5: Solve for x
    x = 490,379,019.90/26,296.22
  6. Step 6: Final answer
    x = 18,648.27

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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.