Home / 26,394.06-39,491.72-18,511.96

Finding the Fourth Proportional to 26,394.06, 39,491.72 and 18,511.96

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Solution

The fourth proportional to 26,394.06, 39,491.72 and 18,511.96 is: 27,698.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.06 : 39,491.72 = 18,511.96 : x
  2. Step 2: Convert to fraction form
    26,394.06/39,491.72 = 18,511.96/x
  3. Step 3: Cross multiply
    26,394.06x = 39,491.72 × 18,511.96
  4. Step 4: Simplify right side
    26,394.06x = 731,069,140.97
  5. Step 5: Solve for x
    x = 731,069,140.97/26,394.06
  6. Step 6: Final answer
    x = 27,698.25

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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.