Home / 38,923.67-58,385.49-12,628.41

Finding the Fourth Proportional to 38,923.67, 58,385.49 and 12,628.41

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Solution

The fourth proportional to 38,923.67, 58,385.49 and 12,628.41 is: 18,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,923.67 : 58,385.49 = 12,628.41 : x
  2. Step 2: Convert to fraction form
    38,923.67/58,385.49 = 12,628.41/x
  3. Step 3: Cross multiply
    38,923.67x = 58,385.49 × 12,628.41
  4. Step 4: Simplify right side
    38,923.67x = 737,315,842.63
  5. Step 5: Solve for x
    x = 737,315,842.63/38,923.67
  6. Step 6: Final answer
    x = 18,942.61

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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.