Home / 18,191.31-27,281.16-7,095.30

Finding the Fourth Proportional to 18,191.31, 27,281.16 and 7,095.30

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Solution

The fourth proportional to 18,191.31, 27,281.16 and 7,095.30 is: 10,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.31 : 27,281.16 = 7,095.30 : x
  2. Step 2: Convert to fraction form
    18,191.31/27,281.16 = 7,095.30/x
  3. Step 3: Cross multiply
    18,191.31x = 27,281.16 × 7,095.30
  4. Step 4: Simplify right side
    18,191.31x = 193,568,014.55
  5. Step 5: Solve for x
    x = 193,568,014.55/18,191.31
  6. Step 6: Final answer
    x = 10,640.69

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.