Home / 16,275.21-24,412.82-12,761.43

Finding the Fourth Proportional to 16,275.21, 24,412.82 and 12,761.43

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Solution

The fourth proportional to 16,275.21, 24,412.82 and 12,761.43 is: 19,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,275.21 : 24,412.82 = 12,761.43 : x
  2. Step 2: Convert to fraction form
    16,275.21/24,412.82 = 12,761.43/x
  3. Step 3: Cross multiply
    16,275.21x = 24,412.82 × 12,761.43
  4. Step 4: Simplify right side
    16,275.21x = 311,542,429.73
  5. Step 5: Solve for x
    x = 311,542,429.73/16,275.21
  6. Step 6: Final answer
    x = 19,142.15

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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.