Home / 13,859.30-20,791.69-4,497.58

Finding the Fourth Proportional to 13,859.30, 20,791.69 and 4,497.58

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Solution

The fourth proportional to 13,859.30, 20,791.69 and 4,497.58 is: 6,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,859.30 : 20,791.69 = 4,497.58 : x
  2. Step 2: Convert to fraction form
    13,859.30/20,791.69 = 4,497.58/x
  3. Step 3: Cross multiply
    13,859.30x = 20,791.69 × 4,497.58
  4. Step 4: Simplify right side
    13,859.30x = 93,512,186.90
  5. Step 5: Solve for x
    x = 93,512,186.90/13,859.30
  6. Step 6: Final answer
    x = 6,747.25

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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.