Home / 18,800.18-25,946.97-10,840.82

Finding the Fourth Proportional to 18,800.18, 25,946.97 and 10,840.82

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Solution

The fourth proportional to 18,800.18, 25,946.97 and 10,840.82 is: 14,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.18 : 25,946.97 = 10,840.82 : x
  2. Step 2: Convert to fraction form
    18,800.18/25,946.97 = 10,840.82/x
  3. Step 3: Cross multiply
    18,800.18x = 25,946.97 × 10,840.82
  4. Step 4: Simplify right side
    18,800.18x = 281,286,431.32
  5. Step 5: Solve for x
    x = 281,286,431.32/18,800.18
  6. Step 6: Final answer
    x = 14,961.90

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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.