Home / 16,859.20-25,317.60-9,083.20

Finding the Fourth Proportional to 16,859.20, 25,317.60 and 9,083.20

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Solution

The fourth proportional to 16,859.20, 25,317.60 and 9,083.20 is: 13,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.20 : 25,317.60 = 9,083.20 : x
  2. Step 2: Convert to fraction form
    16,859.20/25,317.60 = 9,083.20/x
  3. Step 3: Cross multiply
    16,859.20x = 25,317.60 × 9,083.20
  4. Step 4: Simplify right side
    16,859.20x = 229,964,824.32
  5. Step 5: Solve for x
    x = 229,964,824.32/16,859.20
  6. Step 6: Final answer
    x = 13,640.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.