Home / 38,891.19-58,336.78-11,189.19

Finding the Fourth Proportional to 38,891.19, 58,336.78 and 11,189.19

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Solution

The fourth proportional to 38,891.19, 58,336.78 and 11,189.19 is: 16,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,891.19 : 58,336.78 = 11,189.19 : x
  2. Step 2: Convert to fraction form
    38,891.19/58,336.78 = 11,189.19/x
  3. Step 3: Cross multiply
    38,891.19x = 58,336.78 × 11,189.19
  4. Step 4: Simplify right side
    38,891.19x = 652,741,315.41
  5. Step 5: Solve for x
    x = 652,741,315.41/38,891.19
  6. Step 6: Final answer
    x = 16,783.78

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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.