Home / 13,417.05-20,146.64-11,363.97

Finding the Fourth Proportional to 13,417.05, 20,146.64 and 11,363.97

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Solution

The fourth proportional to 13,417.05, 20,146.64 and 11,363.97 is: 17,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.05 : 20,146.64 = 11,363.97 : x
  2. Step 2: Convert to fraction form
    13,417.05/20,146.64 = 11,363.97/x
  3. Step 3: Cross multiply
    13,417.05x = 20,146.64 × 11,363.97
  4. Step 4: Simplify right side
    13,417.05x = 228,945,755.74
  5. Step 5: Solve for x
    x = 228,945,755.74/13,417.05
  6. Step 6: Final answer
    x = 17,063.79

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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.