Home / 26,422.50-39,605.82-9,771.84

Finding the Fourth Proportional to 26,422.50, 39,605.82 and 9,771.84

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Solution

The fourth proportional to 26,422.50, 39,605.82 and 9,771.84 is: 14,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,422.50 : 39,605.82 = 9,771.84 : x
  2. Step 2: Convert to fraction form
    26,422.50/39,605.82 = 9,771.84/x
  3. Step 3: Cross multiply
    26,422.50x = 39,605.82 × 9,771.84
  4. Step 4: Simplify right side
    26,422.50x = 387,021,736.11
  5. Step 5: Solve for x
    x = 387,021,736.11/26,422.50
  6. Step 6: Final answer
    x = 14,647.43

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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.