Home / 17,515.38-24,170.62-9,961.58

Finding the Fourth Proportional to 17,515.38, 24,170.62 and 9,961.58

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Solution

The fourth proportional to 17,515.38, 24,170.62 and 9,961.58 is: 13,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.38 : 24,170.62 = 9,961.58 : x
  2. Step 2: Convert to fraction form
    17,515.38/24,170.62 = 9,961.58/x
  3. Step 3: Cross multiply
    17,515.38x = 24,170.62 × 9,961.58
  4. Step 4: Simplify right side
    17,515.38x = 240,777,564.78
  5. Step 5: Solve for x
    x = 240,777,564.78/17,515.38
  6. Step 6: Final answer
    x = 13,746.64

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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.