Home / 22,511.61-33,771.51-11,272.82

Finding the Fourth Proportional to 22,511.61, 33,771.51 and 11,272.82

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Solution

The fourth proportional to 22,511.61, 33,771.51 and 11,272.82 is: 16,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,511.61 : 33,771.51 = 11,272.82 : x
  2. Step 2: Convert to fraction form
    22,511.61/33,771.51 = 11,272.82/x
  3. Step 3: Cross multiply
    22,511.61x = 33,771.51 × 11,272.82
  4. Step 4: Simplify right side
    22,511.61x = 380,699,984.50
  5. Step 5: Solve for x
    x = 380,699,984.50/22,511.61
  6. Step 6: Final answer
    x = 16,911.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.