Home / 18,769.86-25,898.52-12,054.55

Finding the Fourth Proportional to 18,769.86, 25,898.52 and 12,054.55

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Solution

The fourth proportional to 18,769.86, 25,898.52 and 12,054.55 is: 16,632.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.86 : 25,898.52 = 12,054.55 : x
  2. Step 2: Convert to fraction form
    18,769.86/25,898.52 = 12,054.55/x
  3. Step 3: Cross multiply
    18,769.86x = 25,898.52 × 12,054.55
  4. Step 4: Simplify right side
    18,769.86x = 312,195,004.27
  5. Step 5: Solve for x
    x = 312,195,004.27/18,769.86
  6. Step 6: Final answer
    x = 16,632.78

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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.