Home / 14,516.42-20,042.24-11,153.09

Finding the Fourth Proportional to 14,516.42, 20,042.24 and 11,153.09

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Solution

The fourth proportional to 14,516.42, 20,042.24 and 11,153.09 is: 15,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.42 : 20,042.24 = 11,153.09 : x
  2. Step 2: Convert to fraction form
    14,516.42/20,042.24 = 11,153.09/x
  3. Step 3: Cross multiply
    14,516.42x = 20,042.24 × 11,153.09
  4. Step 4: Simplify right side
    14,516.42x = 223,532,900.86
  5. Step 5: Solve for x
    x = 223,532,900.86/14,516.42
  6. Step 6: Final answer
    x = 15,398.63

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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.