Home / 15,871.81-23,793.14-8,481.37

Finding the Fourth Proportional to 15,871.81, 23,793.14 and 8,481.37

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Solution

The fourth proportional to 15,871.81, 23,793.14 and 8,481.37 is: 12,714.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871.81 : 23,793.14 = 8,481.37 : x
  2. Step 2: Convert to fraction form
    15,871.81/23,793.14 = 8,481.37/x
  3. Step 3: Cross multiply
    15,871.81x = 23,793.14 × 8,481.37
  4. Step 4: Simplify right side
    15,871.81x = 201,798,381.39
  5. Step 5: Solve for x
    x = 201,798,381.39/15,871.81
  6. Step 6: Final answer
    x = 12,714.26

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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.