Home / 38,511.36-57,767.04-10,808.64

Finding the Fourth Proportional to 38,511.36, 57,767.04 and 10,808.64

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Solution

The fourth proportional to 38,511.36, 57,767.04 and 10,808.64 is: 16,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,511.36 : 57,767.04 = 10,808.64 : x
  2. Step 2: Convert to fraction form
    38,511.36/57,767.04 = 10,808.64/x
  3. Step 3: Cross multiply
    38,511.36x = 57,767.04 × 10,808.64
  4. Step 4: Simplify right side
    38,511.36x = 624,383,139.23
  5. Step 5: Solve for x
    x = 624,383,139.23/38,511.36
  6. Step 6: Final answer
    x = 16,212.96

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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.