Home / 20,855.41-28,793.54-16,066.33

Finding the Fourth Proportional to 20,855.41, 28,793.54 and 16,066.33

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Solution

The fourth proportional to 20,855.41, 28,793.54 and 16,066.33 is: 22,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.41 : 28,793.54 = 16,066.33 : x
  2. Step 2: Convert to fraction form
    20,855.41/28,793.54 = 16,066.33/x
  3. Step 3: Cross multiply
    20,855.41x = 28,793.54 × 16,066.33
  4. Step 4: Simplify right side
    20,855.41x = 462,606,483.69
  5. Step 5: Solve for x
    x = 462,606,483.69/20,855.41
  6. Step 6: Final answer
    x = 22,181.61

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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.