Home / 22,208.14-30,647.96-12,137.14

Finding the Fourth Proportional to 22,208.14, 30,647.96 and 12,137.14

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Solution

The fourth proportional to 22,208.14, 30,647.96 and 12,137.14 is: 16,749.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.14 : 30,647.96 = 12,137.14 : x
  2. Step 2: Convert to fraction form
    22,208.14/30,647.96 = 12,137.14/x
  3. Step 3: Cross multiply
    22,208.14x = 30,647.96 × 12,137.14
  4. Step 4: Simplify right side
    22,208.14x = 371,978,581.23
  5. Step 5: Solve for x
    x = 371,978,581.23/22,208.14
  6. Step 6: Final answer
    x = 16,749.65

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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.