Home / 35,992.12-53,995.86-12,619.96

Finding the Fourth Proportional to 35,992.12, 53,995.86 and 12,619.96

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Solution

The fourth proportional to 35,992.12, 53,995.86 and 12,619.96 is: 18,932.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.12 : 53,995.86 = 12,619.96 : x
  2. Step 2: Convert to fraction form
    35,992.12/53,995.86 = 12,619.96/x
  3. Step 3: Cross multiply
    35,992.12x = 53,995.86 × 12,619.96
  4. Step 4: Simplify right side
    35,992.12x = 681,425,593.37
  5. Step 5: Solve for x
    x = 681,425,593.37/35,992.12
  6. Step 6: Final answer
    x = 18,932.63

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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.