Home / 22,090.07-30,468.56-13,581.04

Finding the Fourth Proportional to 22,090.07, 30,468.56 and 13,581.04

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Solution

The fourth proportional to 22,090.07, 30,468.56 and 13,581.04 is: 18,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.07 : 30,468.56 = 13,581.04 : x
  2. Step 2: Convert to fraction form
    22,090.07/30,468.56 = 13,581.04/x
  3. Step 3: Cross multiply
    22,090.07x = 30,468.56 × 13,581.04
  4. Step 4: Simplify right side
    22,090.07x = 413,794,730.85
  5. Step 5: Solve for x
    x = 413,794,730.85/22,090.07
  6. Step 6: Final answer
    x = 18,732.16

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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.