Home / 25,790.60-38,689.62-9,786.04

Finding the Fourth Proportional to 25,790.60, 38,689.62 and 9,786.04

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Solution

The fourth proportional to 25,790.60, 38,689.62 and 9,786.04 is: 14,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,790.60 : 38,689.62 = 9,786.04 : x
  2. Step 2: Convert to fraction form
    25,790.60/38,689.62 = 9,786.04/x
  3. Step 3: Cross multiply
    25,790.60x = 38,689.62 × 9,786.04
  4. Step 4: Simplify right side
    25,790.60x = 378,618,168.90
  5. Step 5: Solve for x
    x = 378,618,168.90/25,790.60
  6. Step 6: Final answer
    x = 14,680.47

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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.