Home / 14,855.72-20,497.56-8,480.27

Finding the Fourth Proportional to 14,855.72, 20,497.56 and 8,480.27

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Solution

The fourth proportional to 14,855.72, 20,497.56 and 8,480.27 is: 11,700.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.72 : 20,497.56 = 8,480.27 : x
  2. Step 2: Convert to fraction form
    14,855.72/20,497.56 = 8,480.27/x
  3. Step 3: Cross multiply
    14,855.72x = 20,497.56 × 8,480.27
  4. Step 4: Simplify right side
    14,855.72x = 173,824,843.14
  5. Step 5: Solve for x
    x = 173,824,843.14/14,855.72
  6. Step 6: Final answer
    x = 11,700.87

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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.