Home / 18,609.92-25,680.20-10,650.32

Finding the Fourth Proportional to 18,609.92, 25,680.20 and 10,650.32

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Solution

The fourth proportional to 18,609.92, 25,680.20 and 10,650.32 is: 14,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.92 : 25,680.20 = 10,650.32 : x
  2. Step 2: Convert to fraction form
    18,609.92/25,680.20 = 10,650.32/x
  3. Step 3: Cross multiply
    18,609.92x = 25,680.20 × 10,650.32
  4. Step 4: Simplify right side
    18,609.92x = 273,502,347.66
  5. Step 5: Solve for x
    x = 273,502,347.66/18,609.92
  6. Step 6: Final answer
    x = 14,696.59

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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.