Home / 17,923.78-24,699.56-15,091.60

Finding the Fourth Proportional to 17,923.78, 24,699.56 and 15,091.60

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Solution

The fourth proportional to 17,923.78, 24,699.56 and 15,091.60 is: 20,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,923.78 : 24,699.56 = 15,091.60 : x
  2. Step 2: Convert to fraction form
    17,923.78/24,699.56 = 15,091.60/x
  3. Step 3: Cross multiply
    17,923.78x = 24,699.56 × 15,091.60
  4. Step 4: Simplify right side
    17,923.78x = 372,755,879.70
  5. Step 5: Solve for x
    x = 372,755,879.70/17,923.78
  6. Step 6: Final answer
    x = 20,796.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.