Home / 18,600.44-25,680.66-12,933.32

Finding the Fourth Proportional to 18,600.44, 25,680.66 and 12,933.32

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Solution

The fourth proportional to 18,600.44, 25,680.66 and 12,933.32 is: 17,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.44 : 25,680.66 = 12,933.32 : x
  2. Step 2: Convert to fraction form
    18,600.44/25,680.66 = 12,933.32/x
  3. Step 3: Cross multiply
    18,600.44x = 25,680.66 × 12,933.32
  4. Step 4: Simplify right side
    18,600.44x = 332,136,193.59
  5. Step 5: Solve for x
    x = 332,136,193.59/18,600.44
  6. Step 6: Final answer
    x = 17,856.36

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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.