Home / 18,150.06-27,215.07-12,226.63

Finding the Fourth Proportional to 18,150.06, 27,215.07 and 12,226.63

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Solution

The fourth proportional to 18,150.06, 27,215.07 and 12,226.63 is: 18,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.06 : 27,215.07 = 12,226.63 : x
  2. Step 2: Convert to fraction form
    18,150.06/27,215.07 = 12,226.63/x
  3. Step 3: Cross multiply
    18,150.06x = 27,215.07 × 12,226.63
  4. Step 4: Simplify right side
    18,150.06x = 332,748,591.31
  5. Step 5: Solve for x
    x = 332,748,591.31/18,150.06
  6. Step 6: Final answer
    x = 18,333.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.