Home / 15,879.71-23,824.33-4,786.76

Finding the Fourth Proportional to 15,879.71, 23,824.33 and 4,786.76

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Solution

The fourth proportional to 15,879.71, 23,824.33 and 4,786.76 is: 7,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.71 : 23,824.33 = 4,786.76 : x
  2. Step 2: Convert to fraction form
    15,879.71/23,824.33 = 4,786.76/x
  3. Step 3: Cross multiply
    15,879.71x = 23,824.33 × 4,786.76
  4. Step 4: Simplify right side
    15,879.71x = 114,041,397.46
  5. Step 5: Solve for x
    x = 114,041,397.46/15,879.71
  6. Step 6: Final answer
    x = 7,181.58

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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.