Home / 28,676.66-42,998.25-11,125.99

Finding the Fourth Proportional to 28,676.66, 42,998.25 and 11,125.99

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Solution

The fourth proportional to 28,676.66, 42,998.25 and 11,125.99 is: 16,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676.66 : 42,998.25 = 11,125.99 : x
  2. Step 2: Convert to fraction form
    28,676.66/42,998.25 = 11,125.99/x
  3. Step 3: Cross multiply
    28,676.66x = 42,998.25 × 11,125.99
  4. Step 4: Simplify right side
    28,676.66x = 478,397,884.53
  5. Step 5: Solve for x
    x = 478,397,884.53/28,676.66
  6. Step 6: Final answer
    x = 16,682.48

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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.