Home / 20,009.95-27,612.98-11,057.27

Finding the Fourth Proportional to 20,009.95, 27,612.98 and 11,057.27

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Solution

The fourth proportional to 20,009.95, 27,612.98 and 11,057.27 is: 15,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.95 : 27,612.98 = 11,057.27 : x
  2. Step 2: Convert to fraction form
    20,009.95/27,612.98 = 11,057.27/x
  3. Step 3: Cross multiply
    20,009.95x = 27,612.98 × 11,057.27
  4. Step 4: Simplify right side
    20,009.95x = 305,324,037.30
  5. Step 5: Solve for x
    x = 305,324,037.30/20,009.95
  6. Step 6: Final answer
    x = 15,258.61

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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.