Home / 20,166.42-27,833.10-11,673.75

Finding the Fourth Proportional to 20,166.42, 27,833.10 and 11,673.75

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Solution

The fourth proportional to 20,166.42, 27,833.10 and 11,673.75 is: 16,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,166.42 : 27,833.10 = 11,673.75 : x
  2. Step 2: Convert to fraction form
    20,166.42/27,833.10 = 11,673.75/x
  3. Step 3: Cross multiply
    20,166.42x = 27,833.10 × 11,673.75
  4. Step 4: Simplify right side
    20,166.42x = 324,916,651.13
  5. Step 5: Solve for x
    x = 324,916,651.13/20,166.42
  6. Step 6: Final answer
    x = 16,111.77

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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.