Home / 20,964.75-31,452.56-6,173.18

Finding the Fourth Proportional to 20,964.75, 31,452.56 and 6,173.18

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Solution

The fourth proportional to 20,964.75, 31,452.56 and 6,173.18 is: 9,261.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,964.75 : 31,452.56 = 6,173.18 : x
  2. Step 2: Convert to fraction form
    20,964.75/31,452.56 = 6,173.18/x
  3. Step 3: Cross multiply
    20,964.75x = 31,452.56 × 6,173.18
  4. Step 4: Simplify right side
    20,964.75x = 194,162,314.34
  5. Step 5: Solve for x
    x = 194,162,314.34/20,964.75
  6. Step 6: Final answer
    x = 9,261.37

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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.