Home / 27,736.40-41,608.20-13,703.60

Finding the Fourth Proportional to 27,736.40, 41,608.20 and 13,703.60

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Solution

The fourth proportional to 27,736.40, 41,608.20 and 13,703.60 is: 20,557.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.40 : 41,608.20 = 13,703.60 : x
  2. Step 2: Convert to fraction form
    27,736.40/41,608.20 = 13,703.60/x
  3. Step 3: Cross multiply
    27,736.40x = 41,608.20 × 13,703.60
  4. Step 4: Simplify right side
    27,736.40x = 570,182,129.52
  5. Step 5: Solve for x
    x = 570,182,129.52/27,736.40
  6. Step 6: Final answer
    x = 20,557.18

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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.