Home / 22,161.74-33,261.76-11,639.18

Finding the Fourth Proportional to 22,161.74, 33,261.76 and 11,639.18

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Solution

The fourth proportional to 22,161.74, 33,261.76 and 11,639.18 is: 17,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.74 : 33,261.76 = 11,639.18 : x
  2. Step 2: Convert to fraction form
    22,161.74/33,261.76 = 11,639.18/x
  3. Step 3: Cross multiply
    22,161.74x = 33,261.76 × 11,639.18
  4. Step 4: Simplify right side
    22,161.74x = 387,139,611.76
  5. Step 5: Solve for x
    x = 387,139,611.76/22,161.74
  6. Step 6: Final answer
    x = 17,468.83

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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.