Home / 22,152.30-33,087.22-20,040.70

Finding the Fourth Proportional to 22,152.30, 33,087.22 and 20,040.70

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Solution

The fourth proportional to 22,152.30, 33,087.22 and 20,040.70 is: 29,933.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.30 : 33,087.22 = 20,040.70 : x
  2. Step 2: Convert to fraction form
    22,152.30/33,087.22 = 20,040.70/x
  3. Step 3: Cross multiply
    22,152.30x = 33,087.22 × 20,040.70
  4. Step 4: Simplify right side
    22,152.30x = 663,090,884.42
  5. Step 5: Solve for x
    x = 663,090,884.42/22,152.30
  6. Step 6: Final answer
    x = 29,933.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.