Home / 15,489.50-23,218.72-6,124.41

Finding the Fourth Proportional to 15,489.50, 23,218.72 and 6,124.41

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Solution

The fourth proportional to 15,489.50, 23,218.72 and 6,124.41 is: 9,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.50 : 23,218.72 = 6,124.41 : x
  2. Step 2: Convert to fraction form
    15,489.50/23,218.72 = 6,124.41/x
  3. Step 3: Cross multiply
    15,489.50x = 23,218.72 × 6,124.41
  4. Step 4: Simplify right side
    15,489.50x = 142,200,945.64
  5. Step 5: Solve for x
    x = 142,200,945.64/15,489.50
  6. Step 6: Final answer
    x = 9,180.48

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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.