Home / 18,772.55-25,905.99-10,274.84

Finding the Fourth Proportional to 18,772.55, 25,905.99 and 10,274.84

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Solution

The fourth proportional to 18,772.55, 25,905.99 and 10,274.84 is: 14,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.55 : 25,905.99 = 10,274.84 : x
  2. Step 2: Convert to fraction form
    18,772.55/25,905.99 = 10,274.84/x
  3. Step 3: Cross multiply
    18,772.55x = 25,905.99 × 10,274.84
  4. Step 4: Simplify right side
    18,772.55x = 266,179,902.29
  5. Step 5: Solve for x
    x = 266,179,902.29/18,772.55
  6. Step 6: Final answer
    x = 14,179.21

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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.