Home / 38,021.76-57,035.69-11,365.80

Finding the Fourth Proportional to 38,021.76, 57,035.69 and 11,365.80

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Solution

The fourth proportional to 38,021.76, 57,035.69 and 11,365.80 is: 17,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,021.76 : 57,035.69 = 11,365.80 : x
  2. Step 2: Convert to fraction form
    38,021.76/57,035.69 = 11,365.80/x
  3. Step 3: Cross multiply
    38,021.76x = 57,035.69 × 11,365.80
  4. Step 4: Simplify right side
    38,021.76x = 648,256,188.57
  5. Step 5: Solve for x
    x = 648,256,188.57/38,021.76
  6. Step 6: Final answer
    x = 17,049.61

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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.