Home / 16,870.32-25,305.84-5,183.28

Finding the Fourth Proportional to 16,870.32, 25,305.84 and 5,183.28

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Solution

The fourth proportional to 16,870.32, 25,305.84 and 5,183.28 is: 7,775.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.32 : 25,305.84 = 5,183.28 : x
  2. Step 2: Convert to fraction form
    16,870.32/25,305.84 = 5,183.28/x
  3. Step 3: Cross multiply
    16,870.32x = 25,305.84 × 5,183.28
  4. Step 4: Simplify right side
    16,870.32x = 131,167,254.36
  5. Step 5: Solve for x
    x = 131,167,254.36/16,870.32
  6. Step 6: Final answer
    x = 7,775.03

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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.