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Finding the Fourth Proportional to 18,295.16, 25,249.20 and 13,194.92

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Solution

The fourth proportional to 18,295.16, 25,249.20 and 13,194.92 is: 18,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,295.16 : 25,249.20 = 13,194.92 : x
  2. Step 2: Convert to fraction form
    18,295.16/25,249.20 = 13,194.92/x
  3. Step 3: Cross multiply
    18,295.16x = 25,249.20 × 13,194.92
  4. Step 4: Simplify right side
    18,295.16x = 333,161,174.06
  5. Step 5: Solve for x
    x = 333,161,174.06/18,295.16
  6. Step 6: Final answer
    x = 18,210.34

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Half scale
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Double scale
Find fourth proportional to 18,296.16, 25,250.58 and 13,195.92
Similar ratio
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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.