Home / 16,215.66-24,299.18-12,512.34

Finding the Fourth Proportional to 16,215.66, 24,299.18 and 12,512.34

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Solution

The fourth proportional to 16,215.66, 24,299.18 and 12,512.34 is: 18,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,215.66 : 24,299.18 = 12,512.34 : x
  2. Step 2: Convert to fraction form
    16,215.66/24,299.18 = 12,512.34/x
  3. Step 3: Cross multiply
    16,215.66x = 24,299.18 × 12,512.34
  4. Step 4: Simplify right side
    16,215.66x = 304,039,601.88
  5. Step 5: Solve for x
    x = 304,039,601.88/16,215.66
  6. Step 6: Final answer
    x = 18,749.75

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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.