Home / 18,230.76-25,158.46-9,847.26

Finding the Fourth Proportional to 18,230.76, 25,158.46 and 9,847.26

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Solution

The fourth proportional to 18,230.76, 25,158.46 and 9,847.26 is: 13,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.76 : 25,158.46 = 9,847.26 : x
  2. Step 2: Convert to fraction form
    18,230.76/25,158.46 = 9,847.26/x
  3. Step 3: Cross multiply
    18,230.76x = 25,158.46 × 9,847.26
  4. Step 4: Simplify right side
    18,230.76x = 247,741,896.82
  5. Step 5: Solve for x
    x = 247,741,896.82/18,230.76
  6. Step 6: Final answer
    x = 13,589.22

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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.