Home / 19,247.46-28,865.40-6,765.15

Finding the Fourth Proportional to 19,247.46, 28,865.40 and 6,765.15

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Solution

The fourth proportional to 19,247.46, 28,865.40 and 6,765.15 is: 10,145.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.46 : 28,865.40 = 6,765.15 : x
  2. Step 2: Convert to fraction form
    19,247.46/28,865.40 = 6,765.15/x
  3. Step 3: Cross multiply
    19,247.46x = 28,865.40 × 6,765.15
  4. Step 4: Simplify right side
    19,247.46x = 195,278,760.81
  5. Step 5: Solve for x
    x = 195,278,760.81/19,247.46
  6. Step 6: Final answer
    x = 10,145.69

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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.