Home / 16,856.77-25,284.21-5,169.96

Finding the Fourth Proportional to 16,856.77, 25,284.21 and 5,169.96

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Solution

The fourth proportional to 16,856.77, 25,284.21 and 5,169.96 is: 7,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.77 : 25,284.21 = 5,169.96 : x
  2. Step 2: Convert to fraction form
    16,856.77/25,284.21 = 5,169.96/x
  3. Step 3: Cross multiply
    16,856.77x = 25,284.21 × 5,169.96
  4. Step 4: Simplify right side
    16,856.77x = 130,718,354.33
  5. Step 5: Solve for x
    x = 130,718,354.33/16,856.77
  6. Step 6: Final answer
    x = 7,754.65

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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.