Home / 16,895.44-25,345.08-5,211.60

Finding the Fourth Proportional to 16,895.44, 25,345.08 and 5,211.60

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Solution

The fourth proportional to 16,895.44, 25,345.08 and 5,211.60 is: 7,817.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.44 : 25,345.08 = 5,211.60 : x
  2. Step 2: Convert to fraction form
    16,895.44/25,345.08 = 5,211.60/x
  3. Step 3: Cross multiply
    16,895.44x = 25,345.08 × 5,211.60
  4. Step 4: Simplify right side
    16,895.44x = 132,088,418.93
  5. Step 5: Solve for x
    x = 132,088,418.93/16,895.44
  6. Step 6: Final answer
    x = 7,817.99

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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.