Home / 12,201.24-16,825.14-10,438.68

Finding the Fourth Proportional to 12,201.24, 16,825.14 and 10,438.68

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Solution

The fourth proportional to 12,201.24, 16,825.14 and 10,438.68 is: 14,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,201.24 : 16,825.14 = 10,438.68 : x
  2. Step 2: Convert to fraction form
    12,201.24/16,825.14 = 10,438.68/x
  3. Step 3: Cross multiply
    12,201.24x = 16,825.14 × 10,438.68
  4. Step 4: Simplify right side
    12,201.24x = 175,632,252.42
  5. Step 5: Solve for x
    x = 175,632,252.42/12,201.24
  6. Step 6: Final answer
    x = 14,394.62

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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.