Home / 26,278.05-36,268.38-15,668.37

Finding the Fourth Proportional to 26,278.05, 36,268.38 and 15,668.37

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Solution

The fourth proportional to 26,278.05, 36,268.38 and 15,668.37 is: 21,625.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.05 : 36,268.38 = 15,668.37 : x
  2. Step 2: Convert to fraction form
    26,278.05/36,268.38 = 15,668.37/x
  3. Step 3: Cross multiply
    26,278.05x = 36,268.38 × 15,668.37
  4. Step 4: Simplify right side
    26,278.05x = 568,266,397.14
  5. Step 5: Solve for x
    x = 568,266,397.14/26,278.05
  6. Step 6: Final answer
    x = 21,625.14

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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.