Home / 20,783.44-31,180.52-5,993.52

Finding the Fourth Proportional to 20,783.44, 31,180.52 and 5,993.52

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Solution

The fourth proportional to 20,783.44, 31,180.52 and 5,993.52 is: 8,991.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,783.44 : 31,180.52 = 5,993.52 : x
  2. Step 2: Convert to fraction form
    20,783.44/31,180.52 = 5,993.52/x
  3. Step 3: Cross multiply
    20,783.44x = 31,180.52 × 5,993.52
  4. Step 4: Simplify right side
    20,783.44x = 186,881,070.23
  5. Step 5: Solve for x
    x = 186,881,070.23/20,783.44
  6. Step 6: Final answer
    x = 8,991.83

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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.