Home / 20,226.42-27,913.41-11,845.62

Finding the Fourth Proportional to 20,226.42, 27,913.41 and 11,845.62

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Solution

The fourth proportional to 20,226.42, 27,913.41 and 11,845.62 is: 16,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.42 : 27,913.41 = 11,845.62 : x
  2. Step 2: Convert to fraction form
    20,226.42/27,913.41 = 11,845.62/x
  3. Step 3: Cross multiply
    20,226.42x = 27,913.41 × 11,845.62
  4. Step 4: Simplify right side
    20,226.42x = 330,651,647.76
  5. Step 5: Solve for x
    x = 330,651,647.76/20,226.42
  6. Step 6: Final answer
    x = 16,347.51

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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.