Home / 14,089.70-21,137.10-6,694.10

Finding the Fourth Proportional to 14,089.70, 21,137.10 and 6,694.10

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Solution

The fourth proportional to 14,089.70, 21,137.10 and 6,694.10 is: 10,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.70 : 21,137.10 = 6,694.10 : x
  2. Step 2: Convert to fraction form
    14,089.70/21,137.10 = 6,694.10/x
  3. Step 3: Cross multiply
    14,089.70x = 21,137.10 × 6,694.10
  4. Step 4: Simplify right side
    14,089.70x = 141,493,861.11
  5. Step 5: Solve for x
    x = 141,493,861.11/14,089.70
  6. Step 6: Final answer
    x = 10,042.36

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1.5x scale

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.