Home / 16,929.60-25,394.99-8,040.36

Finding the Fourth Proportional to 16,929.60, 25,394.99 and 8,040.36

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Solution

The fourth proportional to 16,929.60, 25,394.99 and 8,040.36 is: 12,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.60 : 25,394.99 = 8,040.36 : x
  2. Step 2: Convert to fraction form
    16,929.60/25,394.99 = 8,040.36/x
  3. Step 3: Cross multiply
    16,929.60x = 25,394.99 × 8,040.36
  4. Step 4: Simplify right side
    16,929.60x = 204,184,861.80
  5. Step 5: Solve for x
    x = 204,184,861.80/16,929.60
  6. Step 6: Final answer
    x = 12,060.82

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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.