Home / 23,912.40-35,868.60-9,121.80

Finding the Fourth Proportional to 23,912.40, 35,868.60 and 9,121.80

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Solution

The fourth proportional to 23,912.40, 35,868.60 and 9,121.80 is: 13,682.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,912.40 : 35,868.60 = 9,121.80 : x
  2. Step 2: Convert to fraction form
    23,912.40/35,868.60 = 9,121.80/x
  3. Step 3: Cross multiply
    23,912.40x = 35,868.60 × 9,121.80
  4. Step 4: Simplify right side
    23,912.40x = 327,186,195.48
  5. Step 5: Solve for x
    x = 327,186,195.48/23,912.40
  6. Step 6: Final answer
    x = 13,682.70

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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.