Home / 19,411.87-29,093.49-8,305.56

Finding the Fourth Proportional to 19,411.87, 29,093.49 and 8,305.56

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Solution

The fourth proportional to 19,411.87, 29,093.49 and 8,305.56 is: 12,447.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,411.87 : 29,093.49 = 8,305.56 : x
  2. Step 2: Convert to fraction form
    19,411.87/29,093.49 = 8,305.56/x
  3. Step 3: Cross multiply
    19,411.87x = 29,093.49 × 8,305.56
  4. Step 4: Simplify right side
    19,411.87x = 241,637,726.80
  5. Step 5: Solve for x
    x = 241,637,726.80/19,411.87
  6. Step 6: Final answer
    x = 12,447.94

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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.