Home / 14,500.44-20,010.65-8,212.82

Finding the Fourth Proportional to 14,500.44, 20,010.65 and 8,212.82

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Solution

The fourth proportional to 14,500.44, 20,010.65 and 8,212.82 is: 11,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.44 : 20,010.65 = 8,212.82 : x
  2. Step 2: Convert to fraction form
    14,500.44/20,010.65 = 8,212.82/x
  3. Step 3: Cross multiply
    14,500.44x = 20,010.65 × 8,212.82
  4. Step 4: Simplify right side
    14,500.44x = 164,343,725.42
  5. Step 5: Solve for x
    x = 164,343,725.42/14,500.44
  6. Step 6: Final answer
    x = 11,333.71

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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.