Home / 17,217.38-25,765.50-10,551.80

Finding the Fourth Proportional to 17,217.38, 25,765.50 and 10,551.80

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Solution

The fourth proportional to 17,217.38, 25,765.50 and 10,551.80 is: 15,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.38 : 25,765.50 = 10,551.80 : x
  2. Step 2: Convert to fraction form
    17,217.38/25,765.50 = 10,551.80/x
  3. Step 3: Cross multiply
    17,217.38x = 25,765.50 × 10,551.80
  4. Step 4: Simplify right side
    17,217.38x = 271,872,402.90
  5. Step 5: Solve for x
    x = 271,872,402.90/17,217.38
  6. Step 6: Final answer
    x = 15,790.58

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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.