Home / 20,126.92-27,755.80-12,059.27

Finding the Fourth Proportional to 20,126.92, 27,755.80 and 12,059.27

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Solution

The fourth proportional to 20,126.92, 27,755.80 and 12,059.27 is: 16,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.92 : 27,755.80 = 12,059.27 : x
  2. Step 2: Convert to fraction form
    20,126.92/27,755.80 = 12,059.27/x
  3. Step 3: Cross multiply
    20,126.92x = 27,755.80 × 12,059.27
  4. Step 4: Simplify right side
    20,126.92x = 334,714,686.27
  5. Step 5: Solve for x
    x = 334,714,686.27/20,126.92
  6. Step 6: Final answer
    x = 16,630.20

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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.