Home / 55,995.20-83,997.16-18,553.76

Finding the Fourth Proportional to 55,995.20, 83,997.16 and 18,553.76

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Solution

The fourth proportional to 55,995.20, 83,997.16 and 18,553.76 is: 27,832.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,995.20 : 83,997.16 = 18,553.76 : x
  2. Step 2: Convert to fraction form
    55,995.20/83,997.16 = 18,553.76/x
  3. Step 3: Cross multiply
    55,995.20x = 83,997.16 × 18,553.76
  4. Step 4: Simplify right side
    55,995.20x = 1,558,463,147.32
  5. Step 5: Solve for x
    x = 1,558,463,147.32/55,995.20
  6. Step 6: Final answer
    x = 27,832.08

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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.