Home / 18,693.20-25,796.66-10,195.34

Finding the Fourth Proportional to 18,693.20, 25,796.66 and 10,195.34

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Solution

The fourth proportional to 18,693.20, 25,796.66 and 10,195.34 is: 14,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693.20 : 25,796.66 = 10,195.34 : x
  2. Step 2: Convert to fraction form
    18,693.20/25,796.66 = 10,195.34/x
  3. Step 3: Cross multiply
    18,693.20x = 25,796.66 × 10,195.34
  4. Step 4: Simplify right side
    18,693.20x = 263,005,539.60
  5. Step 5: Solve for x
    x = 263,005,539.60/18,693.20
  6. Step 6: Final answer
    x = 14,069.58

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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.