Home / 22,208.76-30,647.22-12,137.33

Finding the Fourth Proportional to 22,208.76, 30,647.22 and 12,137.33

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Solution

The fourth proportional to 22,208.76, 30,647.22 and 12,137.33 is: 16,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.76 : 30,647.22 = 12,137.33 : x
  2. Step 2: Convert to fraction form
    22,208.76/30,647.22 = 12,137.33/x
  3. Step 3: Cross multiply
    22,208.76x = 30,647.22 × 12,137.33
  4. Step 4: Simplify right side
    22,208.76x = 371,975,269.49
  5. Step 5: Solve for x
    x = 371,975,269.49/22,208.76
  6. Step 6: Final answer
    x = 16,749.03

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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.