Home / 15,506.78-23,260.26-3,819.92

Finding the Fourth Proportional to 15,506.78, 23,260.26 and 3,819.92

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Solution

The fourth proportional to 15,506.78, 23,260.26 and 3,819.92 is: 5,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,506.78 : 23,260.26 = 3,819.92 : x
  2. Step 2: Convert to fraction form
    15,506.78/23,260.26 = 3,819.92/x
  3. Step 3: Cross multiply
    15,506.78x = 23,260.26 × 3,819.92
  4. Step 4: Simplify right side
    15,506.78x = 88,852,332.38
  5. Step 5: Solve for x
    x = 88,852,332.38/15,506.78
  6. Step 6: Final answer
    x = 5,729.90

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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.