Home / 23,207.78-32,028.32-13,136.19

Finding the Fourth Proportional to 23,207.78, 32,028.32 and 13,136.19

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Solution

The fourth proportional to 23,207.78, 32,028.32 and 13,136.19 is: 18,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,207.78 : 32,028.32 = 13,136.19 : x
  2. Step 2: Convert to fraction form
    23,207.78/32,028.32 = 13,136.19/x
  3. Step 3: Cross multiply
    23,207.78x = 32,028.32 × 13,136.19
  4. Step 4: Simplify right side
    23,207.78x = 420,730,096.90
  5. Step 5: Solve for x
    x = 420,730,096.90/23,207.78
  6. Step 6: Final answer
    x = 18,128.84

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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.