Home / 20,608.11-28,408.19-16,124.08

Finding the Fourth Proportional to 20,608.11, 28,408.19 and 16,124.08

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Solution

The fourth proportional to 20,608.11, 28,408.19 and 16,124.08 is: 22,226.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.11 : 28,408.19 = 16,124.08 : x
  2. Step 2: Convert to fraction form
    20,608.11/28,408.19 = 16,124.08/x
  3. Step 3: Cross multiply
    20,608.11x = 28,408.19 × 16,124.08
  4. Step 4: Simplify right side
    20,608.11x = 458,055,897.50
  5. Step 5: Solve for x
    x = 458,055,897.50/20,608.11
  6. Step 6: Final answer
    x = 22,226.97

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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.