Home / 20,179.01-27,847.44-11,228.10

Finding the Fourth Proportional to 20,179.01, 27,847.44 and 11,228.10

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Solution

The fourth proportional to 20,179.01, 27,847.44 and 11,228.10 is: 15,495.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.01 : 27,847.44 = 11,228.10 : x
  2. Step 2: Convert to fraction form
    20,179.01/27,847.44 = 11,228.10/x
  3. Step 3: Cross multiply
    20,179.01x = 27,847.44 × 11,228.10
  4. Step 4: Simplify right side
    20,179.01x = 312,673,841.06
  5. Step 5: Solve for x
    x = 312,673,841.06/20,179.01
  6. Step 6: Final answer
    x = 15,495.01

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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.