Home / 19,045.20-28,568.16-7,951.92

Finding the Fourth Proportional to 19,045.20, 28,568.16 and 7,951.92

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Solution

The fourth proportional to 19,045.20, 28,568.16 and 7,951.92 is: 11,928.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045.20 : 28,568.16 = 7,951.92 : x
  2. Step 2: Convert to fraction form
    19,045.20/28,568.16 = 7,951.92/x
  3. Step 3: Cross multiply
    19,045.20x = 28,568.16 × 7,951.92
  4. Step 4: Simplify right side
    19,045.20x = 227,171,722.87
  5. Step 5: Solve for x
    x = 227,171,722.87/19,045.20
  6. Step 6: Final answer
    x = 11,928.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.