Home / 18,189.66-25,101.39-10,231.62

Finding the Fourth Proportional to 18,189.66, 25,101.39 and 10,231.62

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Solution

The fourth proportional to 18,189.66, 25,101.39 and 10,231.62 is: 14,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.66 : 25,101.39 = 10,231.62 : x
  2. Step 2: Convert to fraction form
    18,189.66/25,101.39 = 10,231.62/x
  3. Step 3: Cross multiply
    18,189.66x = 25,101.39 × 10,231.62
  4. Step 4: Simplify right side
    18,189.66x = 256,827,883.95
  5. Step 5: Solve for x
    x = 256,827,883.95/18,189.66
  6. Step 6: Final answer
    x = 14,119.44

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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.