Home / 19,163.36-26,446.20-11,605.40

Finding the Fourth Proportional to 19,163.36, 26,446.20 and 11,605.40

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Solution

The fourth proportional to 19,163.36, 26,446.20 and 11,605.40 is: 16,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.36 : 26,446.20 = 11,605.40 : x
  2. Step 2: Convert to fraction form
    19,163.36/26,446.20 = 11,605.40/x
  3. Step 3: Cross multiply
    19,163.36x = 26,446.20 × 11,605.40
  4. Step 4: Simplify right side
    19,163.36x = 306,918,729.48
  5. Step 5: Solve for x
    x = 306,918,729.48/19,163.36
  6. Step 6: Final answer
    x = 16,015.91

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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.