Home / 18,192.52-25,112.72-12,241.16

Finding the Fourth Proportional to 18,192.52, 25,112.72 and 12,241.16

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Solution

The fourth proportional to 18,192.52, 25,112.72 and 12,241.16 is: 16,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192.52 : 25,112.72 = 12,241.16 : x
  2. Step 2: Convert to fraction form
    18,192.52/25,112.72 = 12,241.16/x
  3. Step 3: Cross multiply
    18,192.52x = 25,112.72 × 12,241.16
  4. Step 4: Simplify right side
    18,192.52x = 307,408,823.56
  5. Step 5: Solve for x
    x = 307,408,823.56/18,192.52
  6. Step 6: Final answer
    x = 16,897.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.