Home / 20,546.93-30,820.44-4,964.56

Finding the Fourth Proportional to 20,546.93, 30,820.44 and 4,964.56

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Solution

The fourth proportional to 20,546.93, 30,820.44 and 4,964.56 is: 7,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.93 : 30,820.44 = 4,964.56 : x
  2. Step 2: Convert to fraction form
    20,546.93/30,820.44 = 4,964.56/x
  3. Step 3: Cross multiply
    20,546.93x = 30,820.44 × 4,964.56
  4. Step 4: Simplify right side
    20,546.93x = 153,009,923.61
  5. Step 5: Solve for x
    x = 153,009,923.61/20,546.93
  6. Step 6: Final answer
    x = 7,446.85

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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.