Home / 25,531.28-38,286.44-9,742.06

Finding the Fourth Proportional to 25,531.28, 38,286.44 and 9,742.06

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Solution

The fourth proportional to 25,531.28, 38,286.44 and 9,742.06 is: 14,609.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.28 : 38,286.44 = 9,742.06 : x
  2. Step 2: Convert to fraction form
    25,531.28/38,286.44 = 9,742.06/x
  3. Step 3: Cross multiply
    25,531.28x = 38,286.44 × 9,742.06
  4. Step 4: Simplify right side
    25,531.28x = 372,988,795.67
  5. Step 5: Solve for x
    x = 372,988,795.67/25,531.28
  6. Step 6: Final answer
    x = 14,609.09

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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.