Home / 26,540.09-39,815.35-8,770.03

Finding the Fourth Proportional to 26,540.09, 39,815.35 and 8,770.03

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Solution

The fourth proportional to 26,540.09, 39,815.35 and 8,770.03 is: 13,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.09 : 39,815.35 = 8,770.03 : x
  2. Step 2: Convert to fraction form
    26,540.09/39,815.35 = 8,770.03/x
  3. Step 3: Cross multiply
    26,540.09x = 39,815.35 × 8,770.03
  4. Step 4: Simplify right side
    26,540.09x = 349,181,692.50
  5. Step 5: Solve for x
    x = 349,181,692.50/26,540.09
  6. Step 6: Final answer
    x = 13,156.77

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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.