Home / 16,214.38-22,391.84-11,191.57

Finding the Fourth Proportional to 16,214.38, 22,391.84 and 11,191.57

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Solution

The fourth proportional to 16,214.38, 22,391.84 and 11,191.57 is: 15,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,214.38 : 22,391.84 = 11,191.57 : x
  2. Step 2: Convert to fraction form
    16,214.38/22,391.84 = 11,191.57/x
  3. Step 3: Cross multiply
    16,214.38x = 22,391.84 × 11,191.57
  4. Step 4: Simplify right side
    16,214.38x = 250,599,816.79
  5. Step 5: Solve for x
    x = 250,599,816.79/16,214.38
  6. Step 6: Final answer
    x = 15,455.41

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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.