Home / 22,352.52-33,662.66-20,359.63

Finding the Fourth Proportional to 22,352.52, 33,662.66 and 20,359.63

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Solution

The fourth proportional to 22,352.52, 33,662.66 and 20,359.63 is: 30,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.52 : 33,662.66 = 20,359.63 : x
  2. Step 2: Convert to fraction form
    22,352.52/33,662.66 = 20,359.63/x
  3. Step 3: Cross multiply
    22,352.52x = 33,662.66 × 20,359.63
  4. Step 4: Simplify right side
    22,352.52x = 685,359,302.42
  5. Step 5: Solve for x
    x = 685,359,302.42/22,352.52
  6. Step 6: Final answer
    x = 30,661.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.