Home / 22,560.64-33,993.25-18,697.78

Finding the Fourth Proportional to 22,560.64, 33,993.25 and 18,697.78

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Solution

The fourth proportional to 22,560.64, 33,993.25 and 18,697.78 is: 28,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,560.64 : 33,993.25 = 18,697.78 : x
  2. Step 2: Convert to fraction form
    22,560.64/33,993.25 = 18,697.78/x
  3. Step 3: Cross multiply
    22,560.64x = 33,993.25 × 18,697.78
  4. Step 4: Simplify right side
    22,560.64x = 635,598,309.99
  5. Step 5: Solve for x
    x = 635,598,309.99/22,560.64
  6. Step 6: Final answer
    x = 28,172.88

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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.