Home / 23,102.70-34,636.42-19,141.80

Finding the Fourth Proportional to 23,102.70, 34,636.42 and 19,141.80

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Solution

The fourth proportional to 23,102.70, 34,636.42 and 19,141.80 is: 28,698.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,102.70 : 34,636.42 = 19,141.80 : x
  2. Step 2: Convert to fraction form
    23,102.70/34,636.42 = 19,141.80/x
  3. Step 3: Cross multiply
    23,102.70x = 34,636.42 × 19,141.80
  4. Step 4: Simplify right side
    23,102.70x = 663,003,251.17
  5. Step 5: Solve for x
    x = 663,003,251.17/23,102.70
  6. Step 6: Final answer
    x = 28,698.09

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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.