Home / 19,257.12-28,885.73-5,217.24

Finding the Fourth Proportional to 19,257.12, 28,885.73 and 5,217.24

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Solution

The fourth proportional to 19,257.12, 28,885.73 and 5,217.24 is: 7,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.12 : 28,885.73 = 5,217.24 : x
  2. Step 2: Convert to fraction form
    19,257.12/28,885.73 = 5,217.24/x
  3. Step 3: Cross multiply
    19,257.12x = 28,885.73 × 5,217.24
  4. Step 4: Simplify right side
    19,257.12x = 150,703,759.90
  5. Step 5: Solve for x
    x = 150,703,759.90/19,257.12
  6. Step 6: Final answer
    x = 7,825.87

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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.