Home / 19,946.57-29,921.27-8,094.65

Finding the Fourth Proportional to 19,946.57, 29,921.27 and 8,094.65

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Solution

The fourth proportional to 19,946.57, 29,921.27 and 8,094.65 is: 12,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,946.57 : 29,921.27 = 8,094.65 : x
  2. Step 2: Convert to fraction form
    19,946.57/29,921.27 = 8,094.65/x
  3. Step 3: Cross multiply
    19,946.57x = 29,921.27 × 8,094.65
  4. Step 4: Simplify right side
    19,946.57x = 242,202,018.13
  5. Step 5: Solve for x
    x = 242,202,018.13/19,946.57
  6. Step 6: Final answer
    x = 12,142.54

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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.