Home / 36,016.08-53,991.24-12,629.76

Finding the Fourth Proportional to 36,016.08, 53,991.24 and 12,629.76

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Solution

The fourth proportional to 36,016.08, 53,991.24 and 12,629.76 is: 18,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,016.08 : 53,991.24 = 12,629.76 : x
  2. Step 2: Convert to fraction form
    36,016.08/53,991.24 = 12,629.76/x
  3. Step 3: Cross multiply
    36,016.08x = 53,991.24 × 12,629.76
  4. Step 4: Simplify right side
    36,016.08x = 681,896,403.30
  5. Step 5: Solve for x
    x = 681,896,403.30/36,016.08
  6. Step 6: Final answer
    x = 18,933.11

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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.