Home / 20,785.24-31,177.63-5,994.06

Finding the Fourth Proportional to 20,785.24, 31,177.63 and 5,994.06

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Solution

The fourth proportional to 20,785.24, 31,177.63 and 5,994.06 is: 8,991.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,785.24 : 31,177.63 = 5,994.06 : x
  2. Step 2: Convert to fraction form
    20,785.24/31,177.63 = 5,994.06/x
  3. Step 3: Cross multiply
    20,785.24x = 31,177.63 × 5,994.06
  4. Step 4: Simplify right side
    20,785.24x = 186,880,584.88
  5. Step 5: Solve for x
    x = 186,880,584.88/20,785.24
  6. Step 6: Final answer
    x = 8,991.02

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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.