Home / 19,825.17-29,742.32-11,512.14

Finding the Fourth Proportional to 19,825.17, 29,742.32 and 11,512.14

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Solution

The fourth proportional to 19,825.17, 29,742.32 and 11,512.14 is: 17,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.17 : 29,742.32 = 11,512.14 : x
  2. Step 2: Convert to fraction form
    19,825.17/29,742.32 = 11,512.14/x
  3. Step 3: Cross multiply
    19,825.17x = 29,742.32 × 11,512.14
  4. Step 4: Simplify right side
    19,825.17x = 342,397,751.76
  5. Step 5: Solve for x
    x = 342,397,751.76/19,825.17
  6. Step 6: Final answer
    x = 17,270.86

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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.