Home / 22,137.08-30,549.26-12,201.08

Finding the Fourth Proportional to 22,137.08, 30,549.26 and 12,201.08

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Solution

The fourth proportional to 22,137.08, 30,549.26 and 12,201.08 is: 16,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.08 : 30,549.26 = 12,201.08 : x
  2. Step 2: Convert to fraction form
    22,137.08/30,549.26 = 12,201.08/x
  3. Step 3: Cross multiply
    22,137.08x = 30,549.26 × 12,201.08
  4. Step 4: Simplify right side
    22,137.08x = 372,733,965.20
  5. Step 5: Solve for x
    x = 372,733,965.20/22,137.08
  6. Step 6: Final answer
    x = 16,837.54

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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.