Home / 15,400.91-23,104.80-4,871.54

Finding the Fourth Proportional to 15,400.91, 23,104.80 and 4,871.54

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Solution

The fourth proportional to 15,400.91, 23,104.80 and 4,871.54 is: 7,308.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.91 : 23,104.80 = 4,871.54 : x
  2. Step 2: Convert to fraction form
    15,400.91/23,104.80 = 4,871.54/x
  3. Step 3: Cross multiply
    15,400.91x = 23,104.80 × 4,871.54
  4. Step 4: Simplify right side
    15,400.91x = 112,555,841.87
  5. Step 5: Solve for x
    x = 112,555,841.87/15,400.91
  6. Step 6: Final answer
    x = 7,308.39

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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.