Home / 15,234.48-22,822.56-12,269.88

Finding the Fourth Proportional to 15,234.48, 22,822.56 and 12,269.88

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Solution

The fourth proportional to 15,234.48, 22,822.56 and 12,269.88 is: 18,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.48 : 22,822.56 = 12,269.88 : x
  2. Step 2: Convert to fraction form
    15,234.48/22,822.56 = 12,269.88/x
  3. Step 3: Cross multiply
    15,234.48x = 22,822.56 × 12,269.88
  4. Step 4: Simplify right side
    15,234.48x = 280,030,072.49
  5. Step 5: Solve for x
    x = 280,030,072.49/15,234.48
  6. Step 6: Final answer
    x = 18,381.33

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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.