Home / 26,450.50-39,675.84-8,920.48

Finding the Fourth Proportional to 26,450.50, 39,675.84 and 8,920.48

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Solution

The fourth proportional to 26,450.50, 39,675.84 and 8,920.48 is: 13,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,450.50 : 39,675.84 = 8,920.48 : x
  2. Step 2: Convert to fraction form
    26,450.50/39,675.84 = 8,920.48/x
  3. Step 3: Cross multiply
    26,450.50x = 39,675.84 × 8,920.48
  4. Step 4: Simplify right side
    26,450.50x = 353,927,537.20
  5. Step 5: Solve for x
    x = 353,927,537.20/26,450.50
  6. Step 6: Final answer
    x = 13,380.75

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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.