Home / 22,137.45-33,207.12-7,347.66

Finding the Fourth Proportional to 22,137.45, 33,207.12 and 7,347.66

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Solution

The fourth proportional to 22,137.45, 33,207.12 and 7,347.66 is: 11,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.45 : 33,207.12 = 7,347.66 : x
  2. Step 2: Convert to fraction form
    22,137.45/33,207.12 = 7,347.66/x
  3. Step 3: Cross multiply
    22,137.45x = 33,207.12 × 7,347.66
  4. Step 4: Simplify right side
    22,137.45x = 243,994,627.34
  5. Step 5: Solve for x
    x = 243,994,627.34/22,137.45
  6. Step 6: Final answer
    x = 11,021.80

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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.