Home / 38,858.84-58,272.18-12,195.92

Finding the Fourth Proportional to 38,858.84, 58,272.18 and 12,195.92

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Solution

The fourth proportional to 38,858.84, 58,272.18 and 12,195.92 is: 18,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,858.84 : 58,272.18 = 12,195.92 : x
  2. Step 2: Convert to fraction form
    38,858.84/58,272.18 = 12,195.92/x
  3. Step 3: Cross multiply
    38,858.84x = 58,272.18 × 12,195.92
  4. Step 4: Simplify right side
    38,858.84x = 710,682,845.51
  5. Step 5: Solve for x
    x = 710,682,845.51/38,858.84
  6. Step 6: Final answer
    x = 18,288.83

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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.