Home / 20,599.32-28,450.38-13,873.23

Finding the Fourth Proportional to 20,599.32, 28,450.38 and 13,873.23

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Solution

The fourth proportional to 20,599.32, 28,450.38 and 13,873.23 is: 19,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,599.32 : 28,450.38 = 13,873.23 : x
  2. Step 2: Convert to fraction form
    20,599.32/28,450.38 = 13,873.23/x
  3. Step 3: Cross multiply
    20,599.32x = 28,450.38 × 13,873.23
  4. Step 4: Simplify right side
    20,599.32x = 394,698,665.33
  5. Step 5: Solve for x
    x = 394,698,665.33/20,599.32
  6. Step 6: Final answer
    x = 19,160.76

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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.