Home / 16,709.50-25,064.56-7,819.90

Finding the Fourth Proportional to 16,709.50, 25,064.56 and 7,819.90

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Solution

The fourth proportional to 16,709.50, 25,064.56 and 7,819.90 is: 11,730.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.50 : 25,064.56 = 7,819.90 : x
  2. Step 2: Convert to fraction form
    16,709.50/25,064.56 = 7,819.90/x
  3. Step 3: Cross multiply
    16,709.50x = 25,064.56 × 7,819.90
  4. Step 4: Simplify right side
    16,709.50x = 196,002,352.74
  5. Step 5: Solve for x
    x = 196,002,352.74/16,709.50
  6. Step 6: Final answer
    x = 11,730.00

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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.