Home / 14,910.55-20,576.93-8,196.34

Finding the Fourth Proportional to 14,910.55, 20,576.93 and 8,196.34

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Solution

The fourth proportional to 14,910.55, 20,576.93 and 8,196.34 is: 11,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.55 : 20,576.93 = 8,196.34 : x
  2. Step 2: Convert to fraction form
    14,910.55/20,576.93 = 8,196.34/x
  3. Step 3: Cross multiply
    14,910.55x = 20,576.93 × 8,196.34
  4. Step 4: Simplify right side
    14,910.55x = 168,655,514.44
  5. Step 5: Solve for x
    x = 168,655,514.44/14,910.55
  6. Step 6: Final answer
    x = 11,311.15

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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.