Home / 20,036.26-27,631.63-17,202.68

Finding the Fourth Proportional to 20,036.26, 27,631.63 and 17,202.68

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Solution

The fourth proportional to 20,036.26, 27,631.63 and 17,202.68 is: 23,723.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036.26 : 27,631.63 = 17,202.68 : x
  2. Step 2: Convert to fraction form
    20,036.26/27,631.63 = 17,202.68/x
  3. Step 3: Cross multiply
    20,036.26x = 27,631.63 × 17,202.68
  4. Step 4: Simplify right side
    20,036.26x = 475,338,075.73
  5. Step 5: Solve for x
    x = 475,338,075.73/20,036.26
  6. Step 6: Final answer
    x = 23,723.89

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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.