Home / 20,755.58-31,133.21-5,964.44

Finding the Fourth Proportional to 20,755.58, 31,133.21 and 5,964.44

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Solution

The fourth proportional to 20,755.58, 31,133.21 and 5,964.44 is: 8,946.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,755.58 : 31,133.21 = 5,964.44 : x
  2. Step 2: Convert to fraction form
    20,755.58/31,133.21 = 5,964.44/x
  3. Step 3: Cross multiply
    20,755.58x = 31,133.21 × 5,964.44
  4. Step 4: Simplify right side
    20,755.58x = 185,692,211.06
  5. Step 5: Solve for x
    x = 185,692,211.06/20,755.58
  6. Step 6: Final answer
    x = 8,946.62

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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.