Home / 21,682.43-32,523.13-9,995.65

Finding the Fourth Proportional to 21,682.43, 32,523.13 and 9,995.65

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Solution

The fourth proportional to 21,682.43, 32,523.13 and 9,995.65 is: 14,993.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.43 : 32,523.13 = 9,995.65 : x
  2. Step 2: Convert to fraction form
    21,682.43/32,523.13 = 9,995.65/x
  3. Step 3: Cross multiply
    21,682.43x = 32,523.13 × 9,995.65
  4. Step 4: Simplify right side
    21,682.43x = 325,089,824.38
  5. Step 5: Solve for x
    x = 325,089,824.38/21,682.43
  6. Step 6: Final answer
    x = 14,993.24

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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.