Home / 18,272.62-25,214.39-10,313.31

Finding the Fourth Proportional to 18,272.62, 25,214.39 and 10,313.31

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Solution

The fourth proportional to 18,272.62, 25,214.39 and 10,313.31 is: 14,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.62 : 25,214.39 = 10,313.31 : x
  2. Step 2: Convert to fraction form
    18,272.62/25,214.39 = 10,313.31/x
  3. Step 3: Cross multiply
    18,272.62x = 25,214.39 × 10,313.31
  4. Step 4: Simplify right side
    18,272.62x = 260,043,820.53
  5. Step 5: Solve for x
    x = 260,043,820.53/18,272.62
  6. Step 6: Final answer
    x = 14,231.34

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Half scale
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Double scale
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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.