Home / 20,954.75-31,436.52-6,162.42

Finding the Fourth Proportional to 20,954.75, 31,436.52 and 6,162.42

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Solution

The fourth proportional to 20,954.75, 31,436.52 and 6,162.42 is: 9,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954.75 : 31,436.52 = 6,162.42 : x
  2. Step 2: Convert to fraction form
    20,954.75/31,436.52 = 6,162.42/x
  3. Step 3: Cross multiply
    20,954.75x = 31,436.52 × 6,162.42
  4. Step 4: Simplify right side
    20,954.75x = 193,725,169.02
  5. Step 5: Solve for x
    x = 193,725,169.02/20,954.75
  6. Step 6: Final answer
    x = 9,244.93

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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.