Home / 22,090.12-30,503.82-15,033.40

Finding the Fourth Proportional to 22,090.12, 30,503.82 and 15,033.40

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Solution

The fourth proportional to 22,090.12, 30,503.82 and 15,033.40 is: 20,759.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.12 : 30,503.82 = 15,033.40 : x
  2. Step 2: Convert to fraction form
    22,090.12/30,503.82 = 15,033.40/x
  3. Step 3: Cross multiply
    22,090.12x = 30,503.82 × 15,033.40
  4. Step 4: Simplify right side
    22,090.12x = 458,576,127.59
  5. Step 5: Solve for x
    x = 458,576,127.59/22,090.12
  6. Step 6: Final answer
    x = 20,759.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.