Home / 11,419.67-17,031.84-11,022.90

Finding the Fourth Proportional to 11,419.67, 17,031.84 and 11,022.90

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Solution

The fourth proportional to 11,419.67, 17,031.84 and 11,022.90 is: 16,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.67 : 17,031.84 = 11,022.90 : x
  2. Step 2: Convert to fraction form
    11,419.67/17,031.84 = 11,022.90/x
  3. Step 3: Cross multiply
    11,419.67x = 17,031.84 × 11,022.90
  4. Step 4: Simplify right side
    11,419.67x = 187,740,269.14
  5. Step 5: Solve for x
    x = 187,740,269.14/11,419.67
  6. Step 6: Final answer
    x = 16,440.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.