Home / 26,537.88-39,769.38-20,668.44

Finding the Fourth Proportional to 26,537.88, 39,769.38 and 20,668.44

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Solution

The fourth proportional to 26,537.88, 39,769.38 and 20,668.44 is: 30,973.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,537.88 : 39,769.38 = 20,668.44 : x
  2. Step 2: Convert to fraction form
    26,537.88/39,769.38 = 20,668.44/x
  3. Step 3: Cross multiply
    26,537.88x = 39,769.38 × 20,668.44
  4. Step 4: Simplify right side
    26,537.88x = 821,971,044.37
  5. Step 5: Solve for x
    x = 821,971,044.37/26,537.88
  6. Step 6: Final answer
    x = 30,973.50

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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.