Home / 22,140.08-30,553.40-12,204.08

Finding the Fourth Proportional to 22,140.08, 30,553.40 and 12,204.08

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Solution

The fourth proportional to 22,140.08, 30,553.40 and 12,204.08 is: 16,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.08 : 30,553.40 = 12,204.08 : x
  2. Step 2: Convert to fraction form
    22,140.08/30,553.40 = 12,204.08/x
  3. Step 3: Cross multiply
    22,140.08x = 30,553.40 × 12,204.08
  4. Step 4: Simplify right side
    22,140.08x = 372,876,137.87
  5. Step 5: Solve for x
    x = 372,876,137.87/22,140.08
  6. Step 6: Final answer
    x = 16,841.68

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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.