Home / 41,146.50-61,728.78-12,683.64

Finding the Fourth Proportional to 41,146.50, 61,728.78 and 12,683.64

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Solution

The fourth proportional to 41,146.50, 61,728.78 and 12,683.64 is: 19,028.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,146.50 : 61,728.78 = 12,683.64 : x
  2. Step 2: Convert to fraction form
    41,146.50/61,728.78 = 12,683.64/x
  3. Step 3: Cross multiply
    41,146.50x = 61,728.78 × 12,683.64
  4. Step 4: Simplify right side
    41,146.50x = 782,945,623.16
  5. Step 5: Solve for x
    x = 782,945,623.16/41,146.50
  6. Step 6: Final answer
    x = 19,028.24

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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.