Home / 22,290.62-33,488.16-21,029.64

Finding the Fourth Proportional to 22,290.62, 33,488.16 and 21,029.64

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Solution

The fourth proportional to 22,290.62, 33,488.16 and 21,029.64 is: 31,593.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.62 : 33,488.16 = 21,029.64 : x
  2. Step 2: Convert to fraction form
    22,290.62/33,488.16 = 21,029.64/x
  3. Step 3: Cross multiply
    22,290.62x = 33,488.16 × 21,029.64
  4. Step 4: Simplify right side
    22,290.62x = 704,243,949.06
  5. Step 5: Solve for x
    x = 704,243,949.06/22,290.62
  6. Step 6: Final answer
    x = 31,593.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.