Home / 18,455.45-25,469.12-10,497.47

Finding the Fourth Proportional to 18,455.45, 25,469.12 and 10,497.47

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Solution

The fourth proportional to 18,455.45, 25,469.12 and 10,497.47 is: 14,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.45 : 25,469.12 = 10,497.47 : x
  2. Step 2: Convert to fraction form
    18,455.45/25,469.12 = 10,497.47/x
  3. Step 3: Cross multiply
    18,455.45x = 25,469.12 × 10,497.47
  4. Step 4: Simplify right side
    18,455.45x = 267,361,323.13
  5. Step 5: Solve for x
    x = 267,361,323.13/18,455.45
  6. Step 6: Final answer
    x = 14,486.85

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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.