Home / 16,104.75-22,217.00-11,391.63

Finding the Fourth Proportional to 16,104.75, 22,217.00 and 11,391.63

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Solution

The fourth proportional to 16,104.75, 22,217.00 and 11,391.63 is: 15,715.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,104.75 : 22,217.00 = 11,391.63 : x
  2. Step 2: Convert to fraction form
    16,104.75/22,217.00 = 11,391.63/x
  3. Step 3: Cross multiply
    16,104.75x = 22,217.00 × 11,391.63
  4. Step 4: Simplify right side
    16,104.75x = 253,087,786.75
  5. Step 5: Solve for x
    x = 253,087,786.75/16,104.75
  6. Step 6: Final answer
    x = 15,715.10

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Double scale
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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.