Home / 22,481.37-31,027.14-13,533.69

Finding the Fourth Proportional to 22,481.37, 31,027.14 and 13,533.69

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Solution

The fourth proportional to 22,481.37, 31,027.14 and 13,533.69 is: 18,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.37 : 31,027.14 = 13,533.69 : x
  2. Step 2: Convert to fraction form
    22,481.37/31,027.14 = 13,533.69/x
  3. Step 3: Cross multiply
    22,481.37x = 31,027.14 × 13,533.69
  4. Step 4: Simplify right side
    22,481.37x = 419,911,694.35
  5. Step 5: Solve for x
    x = 419,911,694.35/22,481.37
  6. Step 6: Final answer
    x = 18,678.21

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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.