Home / 16,856.87-25,288.56-6,467.81

Finding the Fourth Proportional to 16,856.87, 25,288.56 and 6,467.81

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Solution

The fourth proportional to 16,856.87, 25,288.56 and 6,467.81 is: 9,702.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.87 : 25,288.56 = 6,467.81 : x
  2. Step 2: Convert to fraction form
    16,856.87/25,288.56 = 6,467.81/x
  3. Step 3: Cross multiply
    16,856.87x = 25,288.56 × 6,467.81
  4. Step 4: Simplify right side
    16,856.87x = 163,561,601.25
  5. Step 5: Solve for x
    x = 163,561,601.25/16,856.87
  6. Step 6: Final answer
    x = 9,702.96

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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.