Home / 26,449.50-39,674.34-8,919.48

Finding the Fourth Proportional to 26,449.50, 39,674.34 and 8,919.48

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Solution

The fourth proportional to 26,449.50, 39,674.34 and 8,919.48 is: 13,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.50 : 39,674.34 = 8,919.48 : x
  2. Step 2: Convert to fraction form
    26,449.50/39,674.34 = 8,919.48/x
  3. Step 3: Cross multiply
    26,449.50x = 39,674.34 × 8,919.48
  4. Step 4: Simplify right side
    26,449.50x = 353,874,482.14
  5. Step 5: Solve for x
    x = 353,874,482.14/26,449.50
  6. Step 6: Final answer
    x = 13,379.25

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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.