Home / 22,029.27-30,399.36-11,957.64

Finding the Fourth Proportional to 22,029.27, 30,399.36 and 11,957.64

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Solution

The fourth proportional to 22,029.27, 30,399.36 and 11,957.64 is: 16,500.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,029.27 : 30,399.36 = 11,957.64 : x
  2. Step 2: Convert to fraction form
    22,029.27/30,399.36 = 11,957.64/x
  3. Step 3: Cross multiply
    22,029.27x = 30,399.36 × 11,957.64
  4. Step 4: Simplify right side
    22,029.27x = 363,504,603.11
  5. Step 5: Solve for x
    x = 363,504,603.11/22,029.27
  6. Step 6: Final answer
    x = 16,500.98

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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.