Home / 20,182.44-27,852.69-16,819.64

Finding the Fourth Proportional to 20,182.44, 27,852.69 and 16,819.64

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Solution

The fourth proportional to 20,182.44, 27,852.69 and 16,819.64 is: 23,211.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.44 : 27,852.69 = 16,819.64 : x
  2. Step 2: Convert to fraction form
    20,182.44/27,852.69 = 16,819.64/x
  3. Step 3: Cross multiply
    20,182.44x = 27,852.69 × 16,819.64
  4. Step 4: Simplify right side
    20,182.44x = 468,472,079.57
  5. Step 5: Solve for x
    x = 468,472,079.57/20,182.44
  6. Step 6: Final answer
    x = 23,211.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.