Home / 17,731.12-26,605.94-11,489.50

Finding the Fourth Proportional to 17,731.12, 26,605.94 and 11,489.50

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Solution

The fourth proportional to 17,731.12, 26,605.94 and 11,489.50 is: 17,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.12 : 26,605.94 = 11,489.50 : x
  2. Step 2: Convert to fraction form
    17,731.12/26,605.94 = 11,489.50/x
  3. Step 3: Cross multiply
    17,731.12x = 26,605.94 × 11,489.50
  4. Step 4: Simplify right side
    17,731.12x = 305,688,947.63
  5. Step 5: Solve for x
    x = 305,688,947.63/17,731.12
  6. Step 6: Final answer
    x = 17,240.25

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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.