Home / 22,217.14-33,318.97-11,681.48

Finding the Fourth Proportional to 22,217.14, 33,318.97 and 11,681.48

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Solution

The fourth proportional to 22,217.14, 33,318.97 and 11,681.48 is: 17,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.14 : 33,318.97 = 11,681.48 : x
  2. Step 2: Convert to fraction form
    22,217.14/33,318.97 = 11,681.48/x
  3. Step 3: Cross multiply
    22,217.14x = 33,318.97 × 11,681.48
  4. Step 4: Simplify right side
    22,217.14x = 389,214,881.68
  5. Step 5: Solve for x
    x = 389,214,881.68/22,217.14
  6. Step 6: Final answer
    x = 17,518.68

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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.