Home / 18,081.19-24,951.76-10,123.70

Finding the Fourth Proportional to 18,081.19, 24,951.76 and 10,123.70

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Solution

The fourth proportional to 18,081.19, 24,951.76 and 10,123.70 is: 13,970.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,081.19 : 24,951.76 = 10,123.70 : x
  2. Step 2: Convert to fraction form
    18,081.19/24,951.76 = 10,123.70/x
  3. Step 3: Cross multiply
    18,081.19x = 24,951.76 × 10,123.70
  4. Step 4: Simplify right side
    18,081.19x = 252,603,982.64
  5. Step 5: Solve for x
    x = 252,603,982.64/18,081.19
  6. Step 6: Final answer
    x = 13,970.54

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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.