Home / 15,578.09-23,372.61-9,727.87

Finding the Fourth Proportional to 15,578.09, 23,372.61 and 9,727.87

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Solution

The fourth proportional to 15,578.09, 23,372.61 and 9,727.87 is: 14,595.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.09 : 23,372.61 = 9,727.87 : x
  2. Step 2: Convert to fraction form
    15,578.09/23,372.61 = 9,727.87/x
  3. Step 3: Cross multiply
    15,578.09x = 23,372.61 × 9,727.87
  4. Step 4: Simplify right side
    15,578.09x = 227,365,546.14
  5. Step 5: Solve for x
    x = 227,365,546.14/15,578.09
  6. Step 6: Final answer
    x = 14,595.21

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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.