Home / 20,056.24-27,677.64-11,995.12

Finding the Fourth Proportional to 20,056.24, 27,677.64 and 11,995.12

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Solution

The fourth proportional to 20,056.24, 27,677.64 and 11,995.12 is: 16,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,056.24 : 27,677.64 = 11,995.12 : x
  2. Step 2: Convert to fraction form
    20,056.24/27,677.64 = 11,995.12/x
  3. Step 3: Cross multiply
    20,056.24x = 27,677.64 × 11,995.12
  4. Step 4: Simplify right side
    20,056.24x = 331,996,613.12
  5. Step 5: Solve for x
    x = 331,996,613.12/20,056.24
  6. Step 6: Final answer
    x = 16,553.28

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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.