Home / 22,265.28-33,436.80-20,507.04

Finding the Fourth Proportional to 22,265.28, 33,436.80 and 20,507.04

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Solution

The fourth proportional to 22,265.28, 33,436.80 and 20,507.04 is: 30,796.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.28 : 33,436.80 = 20,507.04 : x
  2. Step 2: Convert to fraction form
    22,265.28/33,436.80 = 20,507.04/x
  3. Step 3: Cross multiply
    22,265.28x = 33,436.80 × 20,507.04
  4. Step 4: Simplify right side
    22,265.28x = 685,689,795.07
  5. Step 5: Solve for x
    x = 685,689,795.07/22,265.28
  6. Step 6: Final answer
    x = 30,796.37

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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.