Home / 12,433.05-18,717.64-11,344.41

Finding the Fourth Proportional to 12,433.05, 18,717.64 and 11,344.41

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Solution

The fourth proportional to 12,433.05, 18,717.64 and 11,344.41 is: 17,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.05 : 18,717.64 = 11,344.41 : x
  2. Step 2: Convert to fraction form
    12,433.05/18,717.64 = 11,344.41/x
  3. Step 3: Cross multiply
    12,433.05x = 18,717.64 × 11,344.41
  4. Step 4: Simplify right side
    12,433.05x = 212,340,554.03
  5. Step 5: Solve for x
    x = 212,340,554.03/12,433.05
  6. Step 6: Final answer
    x = 17,078.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.