Home / 20,964.54-31,443.21-6,173.34

Finding the Fourth Proportional to 20,964.54, 31,443.21 and 6,173.34

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Solution

The fourth proportional to 20,964.54, 31,443.21 and 6,173.34 is: 9,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.54 : 31,443.21 = 6,173.34 : x
  2. Step 2: Convert to fraction form
    20,964.54/31,443.21 = 6,173.34/x
  3. Step 3: Cross multiply
    20,964.54x = 31,443.21 × 6,173.34
  4. Step 4: Simplify right side
    20,964.54x = 194,109,626.02
  5. Step 5: Solve for x
    x = 194,109,626.02/20,964.54
  6. Step 6: Final answer
    x = 9,258.95

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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.