Home / 18,876.46-26,049.83-10,378.94

Finding the Fourth Proportional to 18,876.46, 26,049.83 and 10,378.94

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Solution

The fourth proportional to 18,876.46, 26,049.83 and 10,378.94 is: 14,323.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.46 : 26,049.83 = 10,378.94 : x
  2. Step 2: Convert to fraction form
    18,876.46/26,049.83 = 10,378.94/x
  3. Step 3: Cross multiply
    18,876.46x = 26,049.83 × 10,378.94
  4. Step 4: Simplify right side
    18,876.46x = 270,369,622.58
  5. Step 5: Solve for x
    x = 270,369,622.58/18,876.46
  6. Step 6: Final answer
    x = 14,323.11

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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.