Home / 14,855.24-20,500.21-8,141.29

Finding the Fourth Proportional to 14,855.24, 20,500.21 and 8,141.29

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Solution

The fourth proportional to 14,855.24, 20,500.21 and 8,141.29 is: 11,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.24 : 20,500.21 = 8,141.29 : x
  2. Step 2: Convert to fraction form
    14,855.24/20,500.21 = 8,141.29/x
  3. Step 3: Cross multiply
    14,855.24x = 20,500.21 × 8,141.29
  4. Step 4: Simplify right side
    14,855.24x = 166,898,154.67
  5. Step 5: Solve for x
    x = 166,898,154.67/14,855.24
  6. Step 6: Final answer
    x = 11,234.97

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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.