Home / 26,448.17-39,687.84-9,819.90

Finding the Fourth Proportional to 26,448.17, 39,687.84 and 9,819.90

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Solution

The fourth proportional to 26,448.17, 39,687.84 and 9,819.90 is: 14,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.17 : 39,687.84 = 9,819.90 : x
  2. Step 2: Convert to fraction form
    26,448.17/39,687.84 = 9,819.90/x
  3. Step 3: Cross multiply
    26,448.17x = 39,687.84 × 9,819.90
  4. Step 4: Simplify right side
    26,448.17x = 389,730,620.02
  5. Step 5: Solve for x
    x = 389,730,620.02/26,448.17
  6. Step 6: Final answer
    x = 14,735.64

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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.