Home / 14,483.10-19,991.61-8,516.54

Finding the Fourth Proportional to 14,483.10, 19,991.61 and 8,516.54

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Solution

The fourth proportional to 14,483.10, 19,991.61 and 8,516.54 is: 11,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.10 : 19,991.61 = 8,516.54 : x
  2. Step 2: Convert to fraction form
    14,483.10/19,991.61 = 8,516.54/x
  3. Step 3: Cross multiply
    14,483.10x = 19,991.61 × 8,516.54
  4. Step 4: Simplify right side
    14,483.10x = 170,259,396.21
  5. Step 5: Solve for x
    x = 170,259,396.21/14,483.10
  6. Step 6: Final answer
    x = 11,755.73

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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.