Home / 20,740.03-31,105.86-5,944.97

Finding the Fourth Proportional to 20,740.03, 31,105.86 and 5,944.97

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Solution

The fourth proportional to 20,740.03, 31,105.86 and 5,944.97 is: 8,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.03 : 31,105.86 = 5,944.97 : x
  2. Step 2: Convert to fraction form
    20,740.03/31,105.86 = 5,944.97/x
  3. Step 3: Cross multiply
    20,740.03x = 31,105.86 × 5,944.97
  4. Step 4: Simplify right side
    20,740.03x = 184,923,460.00
  5. Step 5: Solve for x
    x = 184,923,460.00/20,740.03
  6. Step 6: Final answer
    x = 8,916.26

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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.