Home / 26,131.38-36,076.68-15,926.22

Finding the Fourth Proportional to 26,131.38, 36,076.68 and 15,926.22

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Solution

The fourth proportional to 26,131.38, 36,076.68 and 15,926.22 is: 21,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,131.38 : 36,076.68 = 15,926.22 : x
  2. Step 2: Convert to fraction form
    26,131.38/36,076.68 = 15,926.22/x
  3. Step 3: Cross multiply
    26,131.38x = 36,076.68 × 15,926.22
  4. Step 4: Simplify right side
    26,131.38x = 574,565,142.55
  5. Step 5: Solve for x
    x = 574,565,142.55/26,131.38
  6. Step 6: Final answer
    x = 21,987.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.