Home / 26,194.60-39,291.90-21,010.60

Finding the Fourth Proportional to 26,194.60, 39,291.90 and 21,010.60

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Solution

The fourth proportional to 26,194.60, 39,291.90 and 21,010.60 is: 31,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,194.60 : 39,291.90 = 21,010.60 : x
  2. Step 2: Convert to fraction form
    26,194.60/39,291.90 = 21,010.60/x
  3. Step 3: Cross multiply
    26,194.60x = 39,291.90 × 21,010.60
  4. Step 4: Simplify right side
    26,194.60x = 825,546,394.14
  5. Step 5: Solve for x
    x = 825,546,394.14/26,194.60
  6. Step 6: Final answer
    x = 31,515.90

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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.