Home / 20,974.14-31,461.22-17,268.59

Finding the Fourth Proportional to 20,974.14, 31,461.22 and 17,268.59

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Solution

The fourth proportional to 20,974.14, 31,461.22 and 17,268.59 is: 25,902.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,974.14 : 31,461.22 = 17,268.59 : x
  2. Step 2: Convert to fraction form
    20,974.14/31,461.22 = 17,268.59/x
  3. Step 3: Cross multiply
    20,974.14x = 31,461.22 × 17,268.59
  4. Step 4: Simplify right side
    20,974.14x = 543,290,909.08
  5. Step 5: Solve for x
    x = 543,290,909.08/20,974.14
  6. Step 6: Final answer
    x = 25,902.89

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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.