Home / 20,029.74-27,630.54-16,257.12

Finding the Fourth Proportional to 20,029.74, 27,630.54 and 16,257.12

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Solution

The fourth proportional to 20,029.74, 27,630.54 and 16,257.12 is: 22,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.74 : 27,630.54 = 16,257.12 : x
  2. Step 2: Convert to fraction form
    20,029.74/27,630.54 = 16,257.12/x
  3. Step 3: Cross multiply
    20,029.74x = 27,630.54 × 16,257.12
  4. Step 4: Simplify right side
    20,029.74x = 449,193,004.44
  5. Step 5: Solve for x
    x = 449,193,004.44/20,029.74
  6. Step 6: Final answer
    x = 22,426.30

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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.