Home / 20,056.56-27,665.22-16,087.20

Finding the Fourth Proportional to 20,056.56, 27,665.22 and 16,087.20

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Solution

The fourth proportional to 20,056.56, 27,665.22 and 16,087.20 is: 22,190.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.56 : 27,665.22 = 16,087.20 : x
  2. Step 2: Convert to fraction form
    20,056.56/27,665.22 = 16,087.20/x
  3. Step 3: Cross multiply
    20,056.56x = 27,665.22 × 16,087.20
  4. Step 4: Simplify right side
    20,056.56x = 445,055,927.18
  5. Step 5: Solve for x
    x = 445,055,927.18/20,056.56
  6. Step 6: Final answer
    x = 22,190.04

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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.