Home / 23,998.20-36,015.30-12,305.40

Finding the Fourth Proportional to 23,998.20, 36,015.30 and 12,305.40

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Solution

The fourth proportional to 23,998.20, 36,015.30 and 12,305.40 is: 18,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,998.20 : 36,015.30 = 12,305.40 : x
  2. Step 2: Convert to fraction form
    23,998.20/36,015.30 = 12,305.40/x
  3. Step 3: Cross multiply
    23,998.20x = 36,015.30 × 12,305.40
  4. Step 4: Simplify right side
    23,998.20x = 443,182,672.62
  5. Step 5: Solve for x
    x = 443,182,672.62/23,998.20
  6. Step 6: Final answer
    x = 18,467.33

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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.