Home / 18,246.69-25,180.41-9,863.19

Finding the Fourth Proportional to 18,246.69, 25,180.41 and 9,863.19

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Solution

The fourth proportional to 18,246.69, 25,180.41 and 9,863.19 is: 13,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.69 : 25,180.41 = 9,863.19 : x
  2. Step 2: Convert to fraction form
    18,246.69/25,180.41 = 9,863.19/x
  3. Step 3: Cross multiply
    18,246.69x = 25,180.41 × 9,863.19
  4. Step 4: Simplify right side
    18,246.69x = 248,359,168.11
  5. Step 5: Solve for x
    x = 248,359,168.11/18,246.69
  6. Step 6: Final answer
    x = 13,611.19

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Half scale
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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.