Home / 18,141.39-25,043.58-12,101.69

Finding the Fourth Proportional to 18,141.39, 25,043.58 and 12,101.69

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Solution

The fourth proportional to 18,141.39, 25,043.58 and 12,101.69 is: 16,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.39 : 25,043.58 = 12,101.69 : x
  2. Step 2: Convert to fraction form
    18,141.39/25,043.58 = 12,101.69/x
  3. Step 3: Cross multiply
    18,141.39x = 25,043.58 × 12,101.69
  4. Step 4: Simplify right side
    18,141.39x = 303,069,516.43
  5. Step 5: Solve for x
    x = 303,069,516.43/18,141.39
  6. Step 6: Final answer
    x = 16,705.97

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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.