Home / 22,311.78-33,401.91-19,543.86

Finding the Fourth Proportional to 22,311.78, 33,401.91 and 19,543.86

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Solution

The fourth proportional to 22,311.78, 33,401.91 and 19,543.86 is: 29,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,311.78 : 33,401.91 = 19,543.86 : x
  2. Step 2: Convert to fraction form
    22,311.78/33,401.91 = 19,543.86/x
  3. Step 3: Cross multiply
    22,311.78x = 33,401.91 × 19,543.86
  4. Step 4: Simplify right side
    22,311.78x = 652,802,252.77
  5. Step 5: Solve for x
    x = 652,802,252.77/22,311.78
  6. Step 6: Final answer
    x = 29,258.19

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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.