Home / 14,760.72-20,369.81-8,046.21

Finding the Fourth Proportional to 14,760.72, 20,369.81 and 8,046.21

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Solution

The fourth proportional to 14,760.72, 20,369.81 and 8,046.21 is: 11,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,760.72 : 20,369.81 = 8,046.21 : x
  2. Step 2: Convert to fraction form
    14,760.72/20,369.81 = 8,046.21/x
  3. Step 3: Cross multiply
    14,760.72x = 20,369.81 × 8,046.21
  4. Step 4: Simplify right side
    14,760.72x = 163,899,768.92
  5. Step 5: Solve for x
    x = 163,899,768.92/14,760.72
  6. Step 6: Final answer
    x = 11,103.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.