Home / 21,583.38-29,756.34-16,182.84

Finding the Fourth Proportional to 21,583.38, 29,756.34 and 16,182.84

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Solution

The fourth proportional to 21,583.38, 29,756.34 and 16,182.84 is: 22,310.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,583.38 : 29,756.34 = 16,182.84 : x
  2. Step 2: Convert to fraction form
    21,583.38/29,756.34 = 16,182.84/x
  3. Step 3: Cross multiply
    21,583.38x = 29,756.34 × 16,182.84
  4. Step 4: Simplify right side
    21,583.38x = 481,542,089.21
  5. Step 5: Solve for x
    x = 481,542,089.21/21,583.38
  6. Step 6: Final answer
    x = 22,310.78

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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.