Home / 22,105.96-33,124.20-15,435.88

Finding the Fourth Proportional to 22,105.96, 33,124.20 and 15,435.88

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Solution

The fourth proportional to 22,105.96, 33,124.20 and 15,435.88 is: 23,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.96 : 33,124.20 = 15,435.88 : x
  2. Step 2: Convert to fraction form
    22,105.96/33,124.20 = 15,435.88/x
  3. Step 3: Cross multiply
    22,105.96x = 33,124.20 × 15,435.88
  4. Step 4: Simplify right side
    22,105.96x = 511,301,176.30
  5. Step 5: Solve for x
    x = 511,301,176.30/22,105.96
  6. Step 6: Final answer
    x = 23,129.56

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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.