Home / 22,176.36-30,594.24-13,221.81

Finding the Fourth Proportional to 22,176.36, 30,594.24 and 13,221.81

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Solution

The fourth proportional to 22,176.36, 30,594.24 and 13,221.81 is: 18,240.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.36 : 30,594.24 = 13,221.81 : x
  2. Step 2: Convert to fraction form
    22,176.36/30,594.24 = 13,221.81/x
  3. Step 3: Cross multiply
    22,176.36x = 30,594.24 × 13,221.81
  4. Step 4: Simplify right side
    22,176.36x = 404,511,228.37
  5. Step 5: Solve for x
    x = 404,511,228.37/22,176.36
  6. Step 6: Final answer
    x = 18,240.65

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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.