Home / 20,226.66-27,913.44-11,276.07

Finding the Fourth Proportional to 20,226.66, 27,913.44 and 11,276.07

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Solution

The fourth proportional to 20,226.66, 27,913.44 and 11,276.07 is: 15,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.66 : 27,913.44 = 11,276.07 : x
  2. Step 2: Convert to fraction form
    20,226.66/27,913.44 = 11,276.07/x
  3. Step 3: Cross multiply
    20,226.66x = 27,913.44 × 11,276.07
  4. Step 4: Simplify right side
    20,226.66x = 314,753,903.38
  5. Step 5: Solve for x
    x = 314,753,903.38/20,226.66
  6. Step 6: Final answer
    x = 15,561.34

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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.