Home / 18,628.52-25,706.85-10,245.02

Finding the Fourth Proportional to 18,628.52, 25,706.85 and 10,245.02

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Solution

The fourth proportional to 18,628.52, 25,706.85 and 10,245.02 is: 14,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.52 : 25,706.85 = 10,245.02 : x
  2. Step 2: Convert to fraction form
    18,628.52/25,706.85 = 10,245.02/x
  3. Step 3: Cross multiply
    18,628.52x = 25,706.85 × 10,245.02
  4. Step 4: Simplify right side
    18,628.52x = 263,367,192.39
  5. Step 5: Solve for x
    x = 263,367,192.39/18,628.52
  6. Step 6: Final answer
    x = 14,137.85

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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.