Home / 18,769.10-25,889.10-12,044.06

Finding the Fourth Proportional to 18,769.10, 25,889.10 and 12,044.06

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Solution

The fourth proportional to 18,769.10, 25,889.10 and 12,044.06 is: 16,612.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.10 : 25,889.10 = 12,044.06 : x
  2. Step 2: Convert to fraction form
    18,769.10/25,889.10 = 12,044.06/x
  3. Step 3: Cross multiply
    18,769.10x = 25,889.10 × 12,044.06
  4. Step 4: Simplify right side
    18,769.10x = 311,809,873.75
  5. Step 5: Solve for x
    x = 311,809,873.75/18,769.10
  6. Step 6: Final answer
    x = 16,612.94

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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.