Home / 22,029.23-30,399.85-11,957.69

Finding the Fourth Proportional to 22,029.23, 30,399.85 and 11,957.69

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Solution

The fourth proportional to 22,029.23, 30,399.85 and 11,957.69 is: 16,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.23 : 30,399.85 = 11,957.69 : x
  2. Step 2: Convert to fraction form
    22,029.23/30,399.85 = 11,957.69/x
  3. Step 3: Cross multiply
    22,029.23x = 30,399.85 × 11,957.69
  4. Step 4: Simplify right side
    22,029.23x = 363,511,982.35
  5. Step 5: Solve for x
    x = 363,511,982.35/22,029.23
  6. Step 6: Final answer
    x = 16,501.35

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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.