Home / 26,586.99-39,860.70-11,591.28

Finding the Fourth Proportional to 26,586.99, 39,860.70 and 11,591.28

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Solution

The fourth proportional to 26,586.99, 39,860.70 and 11,591.28 is: 17,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.99 : 39,860.70 = 11,591.28 : x
  2. Step 2: Convert to fraction form
    26,586.99/39,860.70 = 11,591.28/x
  3. Step 3: Cross multiply
    26,586.99x = 39,860.70 × 11,591.28
  4. Step 4: Simplify right side
    26,586.99x = 462,036,534.70
  5. Step 5: Solve for x
    x = 462,036,534.70/26,586.99
  6. Step 6: Final answer
    x = 17,378.29

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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.