Home / 26,579.10-39,868.65-11,007.90

Finding the Fourth Proportional to 26,579.10, 39,868.65 and 11,007.90

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Solution

The fourth proportional to 26,579.10, 39,868.65 and 11,007.90 is: 16,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.10 : 39,868.65 = 11,007.90 : x
  2. Step 2: Convert to fraction form
    26,579.10/39,868.65 = 11,007.90/x
  3. Step 3: Cross multiply
    26,579.10x = 39,868.65 × 11,007.90
  4. Step 4: Simplify right side
    26,579.10x = 438,870,112.34
  5. Step 5: Solve for x
    x = 438,870,112.34/26,579.10
  6. Step 6: Final answer
    x = 16,511.85

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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.