Home / 18,739.66-25,864.36-12,033.76

Finding the Fourth Proportional to 18,739.66, 25,864.36 and 12,033.76

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Solution

The fourth proportional to 18,739.66, 25,864.36 and 12,033.76 is: 16,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.66 : 25,864.36 = 12,033.76 : x
  2. Step 2: Convert to fraction form
    18,739.66/25,864.36 = 12,033.76/x
  3. Step 3: Cross multiply
    18,739.66x = 25,864.36 × 12,033.76
  4. Step 4: Simplify right side
    18,739.66x = 311,245,500.79
  5. Step 5: Solve for x
    x = 311,245,500.79/18,739.66
  6. Step 6: Final answer
    x = 16,608.92

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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.