Home / 36,675.72-55,016.64-11,719.32

Finding the Fourth Proportional to 36,675.72, 55,016.64 and 11,719.32

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Solution

The fourth proportional to 36,675.72, 55,016.64 and 11,719.32 is: 17,579.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,675.72 : 55,016.64 = 11,719.32 : x
  2. Step 2: Convert to fraction form
    36,675.72/55,016.64 = 11,719.32/x
  3. Step 3: Cross multiply
    36,675.72x = 55,016.64 × 11,719.32
  4. Step 4: Simplify right side
    36,675.72x = 644,757,609.48
  5. Step 5: Solve for x
    x = 644,757,609.48/36,675.72
  6. Step 6: Final answer
    x = 17,579.96

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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.