Home / 20,232.32-27,920.32-11,849.60

Finding the Fourth Proportional to 20,232.32, 27,920.32 and 11,849.60

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Solution

The fourth proportional to 20,232.32, 27,920.32 and 11,849.60 is: 16,352.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.32 : 27,920.32 = 11,849.60 : x
  2. Step 2: Convert to fraction form
    20,232.32/27,920.32 = 11,849.60/x
  3. Step 3: Cross multiply
    20,232.32x = 27,920.32 × 11,849.60
  4. Step 4: Simplify right side
    20,232.32x = 330,844,623.87
  5. Step 5: Solve for x
    x = 330,844,623.87/20,232.32
  6. Step 6: Final answer
    x = 16,352.28

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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.