Home / 15,553.96-23,311.40-12,254

Finding the Fourth Proportional to 15,553.96, 23,311.40 and 12,254

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Solution

The fourth proportional to 15,553.96, 23,311.40 and 12,254 is: 18,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.96 : 23,311.40 = 12,254 : x
  2. Step 2: Convert to fraction form
    15,553.96/23,311.40 = 12,254/x
  3. Step 3: Cross multiply
    15,553.96x = 23,311.40 × 12,254
  4. Step 4: Simplify right side
    15,553.96x = 285,657,895.60
  5. Step 5: Solve for x
    x = 285,657,895.60/15,553.96
  6. Step 6: Final answer
    x = 18,365.61

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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.