Home / 22,005.15-30,367.13-11,933.59

Finding the Fourth Proportional to 22,005.15, 30,367.13 and 11,933.59

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Solution

The fourth proportional to 22,005.15, 30,367.13 and 11,933.59 is: 16,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.15 : 30,367.13 = 11,933.59 : x
  2. Step 2: Convert to fraction form
    22,005.15/30,367.13 = 11,933.59/x
  3. Step 3: Cross multiply
    22,005.15x = 30,367.13 × 11,933.59
  4. Step 4: Simplify right side
    22,005.15x = 362,388,878.90
  5. Step 5: Solve for x
    x = 362,388,878.90/22,005.15
  6. Step 6: Final answer
    x = 16,468.37

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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.