Home / 21,182.23-31,794-10,096.57

Finding the Fourth Proportional to 21,182.23, 31,794 and 10,096.57

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Solution

The fourth proportional to 21,182.23, 31,794 and 10,096.57 is: 15,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,182.23 : 31,794 = 10,096.57 : x
  2. Step 2: Convert to fraction form
    21,182.23/31,794 = 10,096.57/x
  3. Step 3: Cross multiply
    21,182.23x = 31,794 × 10,096.57
  4. Step 4: Simplify right side
    21,182.23x = 321,010,346.58
  5. Step 5: Solve for x
    x = 321,010,346.58/21,182.23
  6. Step 6: Final answer
    x = 15,154.70

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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.