Home / 25,709.60-38,568.97-9,079.29

Finding the Fourth Proportional to 25,709.60, 38,568.97 and 9,079.29

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Solution

The fourth proportional to 25,709.60, 38,568.97 and 9,079.29 is: 13,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.60 : 38,568.97 = 9,079.29 : x
  2. Step 2: Convert to fraction form
    25,709.60/38,568.97 = 9,079.29/x
  3. Step 3: Cross multiply
    25,709.60x = 38,568.97 × 9,079.29
  4. Step 4: Simplify right side
    25,709.60x = 350,178,863.63
  5. Step 5: Solve for x
    x = 350,178,863.63/25,709.60
  6. Step 6: Final answer
    x = 13,620.55

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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.