Home / 16,991.05-25,461.94-9,579.70

Finding the Fourth Proportional to 16,991.05, 25,461.94 and 9,579.70

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Solution

The fourth proportional to 16,991.05, 25,461.94 and 9,579.70 is: 14,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991.05 : 25,461.94 = 9,579.70 : x
  2. Step 2: Convert to fraction form
    16,991.05/25,461.94 = 9,579.70/x
  3. Step 3: Cross multiply
    16,991.05x = 25,461.94 × 9,579.70
  4. Step 4: Simplify right side
    16,991.05x = 243,917,746.62
  5. Step 5: Solve for x
    x = 243,917,746.62/16,991.05
  6. Step 6: Final answer
    x = 14,355.66

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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.