Home / 20,727.32-28,600.21-11,651.48

Finding the Fourth Proportional to 20,727.32, 28,600.21 and 11,651.48

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Solution

The fourth proportional to 20,727.32, 28,600.21 and 11,651.48 is: 16,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,727.32 : 28,600.21 = 11,651.48 : x
  2. Step 2: Convert to fraction form
    20,727.32/28,600.21 = 11,651.48/x
  3. Step 3: Cross multiply
    20,727.32x = 28,600.21 × 11,651.48
  4. Step 4: Simplify right side
    20,727.32x = 333,234,865.35
  5. Step 5: Solve for x
    x = 333,234,865.35/20,727.32
  6. Step 6: Final answer
    x = 16,077.08

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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.