Home / 26,255.48-39,339.38-18,450.32

Finding the Fourth Proportional to 26,255.48, 39,339.38 and 18,450.32

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Solution

The fourth proportional to 26,255.48, 39,339.38 and 18,450.32 is: 27,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,255.48 : 39,339.38 = 18,450.32 : x
  2. Step 2: Convert to fraction form
    26,255.48/39,339.38 = 18,450.32/x
  3. Step 3: Cross multiply
    26,255.48x = 39,339.38 × 18,450.32
  4. Step 4: Simplify right side
    26,255.48x = 725,824,149.60
  5. Step 5: Solve for x
    x = 725,824,149.60/26,255.48
  6. Step 6: Final answer
    x = 27,644.67

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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.