Home / 25,664.87-38,500.82-9,021.09

Finding the Fourth Proportional to 25,664.87, 38,500.82 and 9,021.09

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Solution

The fourth proportional to 25,664.87, 38,500.82 and 9,021.09 is: 13,532.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.87 : 38,500.82 = 9,021.09 : x
  2. Step 2: Convert to fraction form
    25,664.87/38,500.82 = 9,021.09/x
  3. Step 3: Cross multiply
    25,664.87x = 38,500.82 × 9,021.09
  4. Step 4: Simplify right side
    25,664.87x = 347,319,317.19
  5. Step 5: Solve for x
    x = 347,319,317.19/25,664.87
  6. Step 6: Final answer
    x = 13,532.87

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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.