Home / 16,268.10-24,430.95-12,579.30

Finding the Fourth Proportional to 16,268.10, 24,430.95 and 12,579.30

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Solution

The fourth proportional to 16,268.10, 24,430.95 and 12,579.30 is: 18,891.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,268.10 : 24,430.95 = 12,579.30 : x
  2. Step 2: Convert to fraction form
    16,268.10/24,430.95 = 12,579.30/x
  3. Step 3: Cross multiply
    16,268.10x = 24,430.95 × 12,579.30
  4. Step 4: Simplify right side
    16,268.10x = 307,324,249.34
  5. Step 5: Solve for x
    x = 307,324,249.34/16,268.10
  6. Step 6: Final answer
    x = 18,891.22

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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.