Home / 14,910.48-20,576.94-8,196.39

Finding the Fourth Proportional to 14,910.48, 20,576.94 and 8,196.39

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Solution

The fourth proportional to 14,910.48, 20,576.94 and 8,196.39 is: 11,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.48 : 20,576.94 = 8,196.39 : x
  2. Step 2: Convert to fraction form
    14,910.48/20,576.94 = 8,196.39/x
  3. Step 3: Cross multiply
    14,910.48x = 20,576.94 × 8,196.39
  4. Step 4: Simplify right side
    14,910.48x = 168,656,594.51
  5. Step 5: Solve for x
    x = 168,656,594.51/14,910.48
  6. Step 6: Final answer
    x = 11,311.28

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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.