Home / 20,032.62-27,647.46-11,649.12

Finding the Fourth Proportional to 20,032.62, 27,647.46 and 11,649.12

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Solution

The fourth proportional to 20,032.62, 27,647.46 and 11,649.12 is: 16,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.62 : 27,647.46 = 11,649.12 : x
  2. Step 2: Convert to fraction form
    20,032.62/27,647.46 = 11,649.12/x
  3. Step 3: Cross multiply
    20,032.62x = 27,647.46 × 11,649.12
  4. Step 4: Simplify right side
    20,032.62x = 322,068,579.24
  5. Step 5: Solve for x
    x = 322,068,579.24/20,032.62
  6. Step 6: Final answer
    x = 16,077.21

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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.