Home / 20,973.96-28,944.62-11,414.44

Finding the Fourth Proportional to 20,973.96, 28,944.62 and 11,414.44

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Solution

The fourth proportional to 20,973.96, 28,944.62 and 11,414.44 is: 15,752.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,973.96 : 28,944.62 = 11,414.44 : x
  2. Step 2: Convert to fraction form
    20,973.96/28,944.62 = 11,414.44/x
  3. Step 3: Cross multiply
    20,973.96x = 28,944.62 × 11,414.44
  4. Step 4: Simplify right side
    20,973.96x = 330,386,628.31
  5. Step 5: Solve for x
    x = 330,386,628.31/20,973.96
  6. Step 6: Final answer
    x = 15,752.23

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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.