Home / 15,748.58-23,615.19-6,871.42

Finding the Fourth Proportional to 15,748.58, 23,615.19 and 6,871.42

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Solution

The fourth proportional to 15,748.58, 23,615.19 and 6,871.42 is: 10,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.58 : 23,615.19 = 6,871.42 : x
  2. Step 2: Convert to fraction form
    15,748.58/23,615.19 = 6,871.42/x
  3. Step 3: Cross multiply
    15,748.58x = 23,615.19 × 6,871.42
  4. Step 4: Simplify right side
    15,748.58x = 162,269,745.03
  5. Step 5: Solve for x
    x = 162,269,745.03/15,748.58
  6. Step 6: Final answer
    x = 10,303.77

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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.