Home / 18,632.19-25,694.76-11,906.13

Finding the Fourth Proportional to 18,632.19, 25,694.76 and 11,906.13

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Solution

The fourth proportional to 18,632.19, 25,694.76 and 11,906.13 is: 16,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.19 : 25,694.76 = 11,906.13 : x
  2. Step 2: Convert to fraction form
    18,632.19/25,694.76 = 11,906.13/x
  3. Step 3: Cross multiply
    18,632.19x = 25,694.76 × 11,906.13
  4. Step 4: Simplify right side
    18,632.19x = 305,925,152.88
  5. Step 5: Solve for x
    x = 305,925,152.88/18,632.19
  6. Step 6: Final answer
    x = 16,419.17

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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.