Home / 22,201.87-33,315.40-8,160.07

Finding the Fourth Proportional to 22,201.87, 33,315.40 and 8,160.07

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Solution

The fourth proportional to 22,201.87, 33,315.40 and 8,160.07 is: 12,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.87 : 33,315.40 = 8,160.07 : x
  2. Step 2: Convert to fraction form
    22,201.87/33,315.40 = 8,160.07/x
  3. Step 3: Cross multiply
    22,201.87x = 33,315.40 × 8,160.07
  4. Step 4: Simplify right side
    22,201.87x = 271,855,996.08
  5. Step 5: Solve for x
    x = 271,855,996.08/22,201.87
  6. Step 6: Final answer
    x = 12,244.73

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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.