Home / 20,894.82-28,833.75-11,941.14

Finding the Fourth Proportional to 20,894.82, 28,833.75 and 11,941.14

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Solution

The fourth proportional to 20,894.82, 28,833.75 and 11,941.14 is: 16,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.82 : 28,833.75 = 11,941.14 : x
  2. Step 2: Convert to fraction form
    20,894.82/28,833.75 = 11,941.14/x
  3. Step 3: Cross multiply
    20,894.82x = 28,833.75 × 11,941.14
  4. Step 4: Simplify right side
    20,894.82x = 344,307,845.48
  5. Step 5: Solve for x
    x = 344,307,845.48/20,894.82
  6. Step 6: Final answer
    x = 16,478.14

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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.