Home / 25,608.66-38,419.47-10,809.96

Finding the Fourth Proportional to 25,608.66, 38,419.47 and 10,809.96

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Solution

The fourth proportional to 25,608.66, 38,419.47 and 10,809.96 is: 16,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.66 : 38,419.47 = 10,809.96 : x
  2. Step 2: Convert to fraction form
    25,608.66/38,419.47 = 10,809.96/x
  3. Step 3: Cross multiply
    25,608.66x = 38,419.47 × 10,809.96
  4. Step 4: Simplify right side
    25,608.66x = 415,312,933.92
  5. Step 5: Solve for x
    x = 415,312,933.92/25,608.66
  6. Step 6: Final answer
    x = 16,217.68

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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.