Home / 26,345.22-39,517.79-12,300.54

Finding the Fourth Proportional to 26,345.22, 39,517.79 and 12,300.54

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Solution

The fourth proportional to 26,345.22, 39,517.79 and 12,300.54 is: 18,450.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,345.22 : 39,517.79 = 12,300.54 : x
  2. Step 2: Convert to fraction form
    26,345.22/39,517.79 = 12,300.54/x
  3. Step 3: Cross multiply
    26,345.22x = 39,517.79 × 12,300.54
  4. Step 4: Simplify right side
    26,345.22x = 486,090,095.10
  5. Step 5: Solve for x
    x = 486,090,095.10/26,345.22
  6. Step 6: Final answer
    x = 18,450.79

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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.