Home / 20,108.52-27,751.02-11,612.22

Finding the Fourth Proportional to 20,108.52, 27,751.02 and 11,612.22

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Solution

The fourth proportional to 20,108.52, 27,751.02 and 11,612.22 is: 16,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108.52 : 27,751.02 = 11,612.22 : x
  2. Step 2: Convert to fraction form
    20,108.52/27,751.02 = 11,612.22/x
  3. Step 3: Cross multiply
    20,108.52x = 27,751.02 × 11,612.22
  4. Step 4: Simplify right side
    20,108.52x = 322,250,949.46
  5. Step 5: Solve for x
    x = 322,250,949.46/20,108.52
  6. Step 6: Final answer
    x = 16,025.59

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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.