Home / 26,137.89-39,215.34-17,805.42

Finding the Fourth Proportional to 26,137.89, 39,215.34 and 17,805.42

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Solution

The fourth proportional to 26,137.89, 39,215.34 and 17,805.42 is: 26,713.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,137.89 : 39,215.34 = 17,805.42 : x
  2. Step 2: Convert to fraction form
    26,137.89/39,215.34 = 17,805.42/x
  3. Step 3: Cross multiply
    26,137.89x = 39,215.34 × 17,805.42
  4. Step 4: Simplify right side
    26,137.89x = 698,245,599.14
  5. Step 5: Solve for x
    x = 698,245,599.14/26,137.89
  6. Step 6: Final answer
    x = 26,713.92

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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.