Home / 20,558.76-30,835.84-5,768.25

Finding the Fourth Proportional to 20,558.76, 30,835.84 and 5,768.25

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Solution

The fourth proportional to 20,558.76, 30,835.84 and 5,768.25 is: 8,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,558.76 : 30,835.84 = 5,768.25 : x
  2. Step 2: Convert to fraction form
    20,558.76/30,835.84 = 5,768.25/x
  3. Step 3: Cross multiply
    20,558.76x = 30,835.84 × 5,768.25
  4. Step 4: Simplify right side
    20,558.76x = 177,868,651.06
  5. Step 5: Solve for x
    x = 177,868,651.06/20,558.76
  6. Step 6: Final answer
    x = 8,651.72

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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.