Home / 18,724.10-25,839.26-10,340.60

Finding the Fourth Proportional to 18,724.10, 25,839.26 and 10,340.60

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Solution

The fourth proportional to 18,724.10, 25,839.26 and 10,340.60 is: 14,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.10 : 25,839.26 = 10,340.60 : x
  2. Step 2: Convert to fraction form
    18,724.10/25,839.26 = 10,340.60/x
  3. Step 3: Cross multiply
    18,724.10x = 25,839.26 × 10,340.60
  4. Step 4: Simplify right side
    18,724.10x = 267,193,451.96
  5. Step 5: Solve for x
    x = 267,193,451.96/18,724.10
  6. Step 6: Final answer
    x = 14,270.03

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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.