Home / 25,578.24-38,344.32-9,992.04

Finding the Fourth Proportional to 25,578.24, 38,344.32 and 9,992.04

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Solution

The fourth proportional to 25,578.24, 38,344.32 and 9,992.04 is: 14,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578.24 : 38,344.32 = 9,992.04 : x
  2. Step 2: Convert to fraction form
    25,578.24/38,344.32 = 9,992.04/x
  3. Step 3: Cross multiply
    25,578.24x = 38,344.32 × 9,992.04
  4. Step 4: Simplify right side
    25,578.24x = 383,137,979.21
  5. Step 5: Solve for x
    x = 383,137,979.21/25,578.24
  6. Step 6: Final answer
    x = 14,979.06

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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.