Home / 22,126.35-33,019.61-19,761.66

Finding the Fourth Proportional to 22,126.35, 33,019.61 and 19,761.66

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Solution

The fourth proportional to 22,126.35, 33,019.61 and 19,761.66 is: 29,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,126.35 : 33,019.61 = 19,761.66 : x
  2. Step 2: Convert to fraction form
    22,126.35/33,019.61 = 19,761.66/x
  3. Step 3: Cross multiply
    22,126.35x = 33,019.61 × 19,761.66
  4. Step 4: Simplify right side
    22,126.35x = 652,522,207.34
  5. Step 5: Solve for x
    x = 652,522,207.34/22,126.35
  6. Step 6: Final answer
    x = 29,490.73

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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.