Home / 23,879.10-35,823.96-7,869.36

Finding the Fourth Proportional to 23,879.10, 35,823.96 and 7,869.36

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Solution

The fourth proportional to 23,879.10, 35,823.96 and 7,869.36 is: 11,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.10 : 35,823.96 = 7,869.36 : x
  2. Step 2: Convert to fraction form
    23,879.10/35,823.96 = 7,869.36/x
  3. Step 3: Cross multiply
    23,879.10x = 35,823.96 × 7,869.36
  4. Step 4: Simplify right side
    23,879.10x = 281,911,637.87
  5. Step 5: Solve for x
    x = 281,911,637.87/23,879.10
  6. Step 6: Final answer
    x = 11,805.79

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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.