Home / 15,743.72-23,609.28-6,972.68

Finding the Fourth Proportional to 15,743.72, 23,609.28 and 6,972.68

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Solution

The fourth proportional to 15,743.72, 23,609.28 and 6,972.68 is: 10,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.72 : 23,609.28 = 6,972.68 : x
  2. Step 2: Convert to fraction form
    15,743.72/23,609.28 = 6,972.68/x
  3. Step 3: Cross multiply
    15,743.72x = 23,609.28 × 6,972.68
  4. Step 4: Simplify right side
    15,743.72x = 164,619,954.47
  5. Step 5: Solve for x
    x = 164,619,954.47/15,743.72
  6. Step 6: Final answer
    x = 10,456.23

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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.