Home / 16,220.48-22,351.20-11,186.24

Finding the Fourth Proportional to 16,220.48, 22,351.20 and 11,186.24

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Solution

The fourth proportional to 16,220.48, 22,351.20 and 11,186.24 is: 15,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,220.48 : 22,351.20 = 11,186.24 : x
  2. Step 2: Convert to fraction form
    16,220.48/22,351.20 = 11,186.24/x
  3. Step 3: Cross multiply
    16,220.48x = 22,351.20 × 11,186.24
  4. Step 4: Simplify right side
    16,220.48x = 250,025,887.49
  5. Step 5: Solve for x
    x = 250,025,887.49/16,220.48
  6. Step 6: Final answer
    x = 15,414.21

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Half 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.