Home / 15,847.08-23,756.06-5,456.36

Finding the Fourth Proportional to 15,847.08, 23,756.06 and 5,456.36

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Solution

The fourth proportional to 15,847.08, 23,756.06 and 5,456.36 is: 8,179.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.08 : 23,756.06 = 5,456.36 : x
  2. Step 2: Convert to fraction form
    15,847.08/23,756.06 = 5,456.36/x
  3. Step 3: Cross multiply
    15,847.08x = 23,756.06 × 5,456.36
  4. Step 4: Simplify right side
    15,847.08x = 129,621,615.54
  5. Step 5: Solve for x
    x = 129,621,615.54/15,847.08
  6. Step 6: Final answer
    x = 8,179.53

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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.