Home / 18,142.48-27,213.84-4,996.24

Finding the Fourth Proportional to 18,142.48, 27,213.84 and 4,996.24

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Solution

The fourth proportional to 18,142.48, 27,213.84 and 4,996.24 is: 7,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,142.48 : 27,213.84 = 4,996.24 : x
  2. Step 2: Convert to fraction form
    18,142.48/27,213.84 = 4,996.24/x
  3. Step 3: Cross multiply
    18,142.48x = 27,213.84 × 4,996.24
  4. Step 4: Simplify right side
    18,142.48x = 135,966,875.96
  5. Step 5: Solve for x
    x = 135,966,875.96/18,142.48
  6. Step 6: Final answer
    x = 7,494.39

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1.5x scale

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.