Home / 22,290.54-33,435.56-5,423.66

Finding the Fourth Proportional to 22,290.54, 33,435.56 and 5,423.66

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Solution

The fourth proportional to 22,290.54, 33,435.56 and 5,423.66 is: 8,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.54 : 33,435.56 = 5,423.66 : x
  2. Step 2: Convert to fraction form
    22,290.54/33,435.56 = 5,423.66/x
  3. Step 3: Cross multiply
    22,290.54x = 33,435.56 × 5,423.66
  4. Step 4: Simplify right side
    22,290.54x = 181,343,109.35
  5. Step 5: Solve for x
    x = 181,343,109.35/22,290.54
  6. Step 6: Final answer
    x = 8,135.43

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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.