Home / 19,105.32-28,605.33-14,411.12

Finding the Fourth Proportional to 19,105.32, 28,605.33 and 14,411.12

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Solution

The fourth proportional to 19,105.32, 28,605.33 and 14,411.12 is: 21,576.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.32 : 28,605.33 = 14,411.12 : x
  2. Step 2: Convert to fraction form
    19,105.32/28,605.33 = 14,411.12/x
  3. Step 3: Cross multiply
    19,105.32x = 28,605.33 × 14,411.12
  4. Step 4: Simplify right side
    19,105.32x = 412,234,843.27
  5. Step 5: Solve for x
    x = 412,234,843.27/19,105.32
  6. Step 6: Final answer
    x = 21,576.97

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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.