Home / 22,078.05-30,467.91-12,006.58

Finding the Fourth Proportional to 22,078.05, 30,467.91 and 12,006.58

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Solution

The fourth proportional to 22,078.05, 30,467.91 and 12,006.58 is: 16,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.05 : 30,467.91 = 12,006.58 : x
  2. Step 2: Convert to fraction form
    22,078.05/30,467.91 = 12,006.58/x
  3. Step 3: Cross multiply
    22,078.05x = 30,467.91 × 12,006.58
  4. Step 4: Simplify right side
    22,078.05x = 365,815,338.81
  5. Step 5: Solve for x
    x = 365,815,338.81/22,078.05
  6. Step 6: Final answer
    x = 16,569.19

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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.