Home / 14,816.05-20,446.70-8,101.28

Finding the Fourth Proportional to 14,816.05, 20,446.70 and 8,101.28

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Solution

The fourth proportional to 14,816.05, 20,446.70 and 8,101.28 is: 11,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.05 : 20,446.70 = 8,101.28 : x
  2. Step 2: Convert to fraction form
    14,816.05/20,446.70 = 8,101.28/x
  3. Step 3: Cross multiply
    14,816.05x = 20,446.70 × 8,101.28
  4. Step 4: Simplify right side
    14,816.05x = 165,644,452.39
  5. Step 5: Solve for x
    x = 165,644,452.39/14,816.05
  6. Step 6: Final answer
    x = 11,180.07

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Half scale
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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.