Home / 26,125.60-39,092.40-19,213.60

Finding the Fourth Proportional to 26,125.60, 39,092.40 and 19,213.60

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Solution

The fourth proportional to 26,125.60, 39,092.40 and 19,213.60 is: 28,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,125.60 : 39,092.40 = 19,213.60 : x
  2. Step 2: Convert to fraction form
    26,125.60/39,092.40 = 19,213.60/x
  3. Step 3: Cross multiply
    26,125.60x = 39,092.40 × 19,213.60
  4. Step 4: Simplify right side
    26,125.60x = 751,105,736.64
  5. Step 5: Solve for x
    x = 751,105,736.64/26,125.60
  6. Step 6: Final answer
    x = 28,749.80

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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.