Home / 38,767.94-58,114.97-12,454.21

Finding the Fourth Proportional to 38,767.94, 58,114.97 and 12,454.21

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Solution

The fourth proportional to 38,767.94, 58,114.97 and 12,454.21 is: 18,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,767.94 : 58,114.97 = 12,454.21 : x
  2. Step 2: Convert to fraction form
    38,767.94/58,114.97 = 12,454.21/x
  3. Step 3: Cross multiply
    38,767.94x = 58,114.97 × 12,454.21
  4. Step 4: Simplify right side
    38,767.94x = 723,775,687.68
  5. Step 5: Solve for x
    x = 723,775,687.68/38,767.94
  6. Step 6: Final answer
    x = 18,669.44

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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.