Home / 18,081.50-24,951.44-10,123.58

Finding the Fourth Proportional to 18,081.50, 24,951.44 and 10,123.58

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Solution

The fourth proportional to 18,081.50, 24,951.44 and 10,123.58 is: 13,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.50 : 24,951.44 = 10,123.58 : x
  2. Step 2: Convert to fraction form
    18,081.50/24,951.44 = 10,123.58/x
  3. Step 3: Cross multiply
    18,081.50x = 24,951.44 × 10,123.58
  4. Step 4: Simplify right side
    18,081.50x = 252,597,986.64
  5. Step 5: Solve for x
    x = 252,597,986.64/18,081.50
  6. Step 6: Final answer
    x = 13,969.97

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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.