Home / 18,724.60-25,839.70-10,227.51

Finding the Fourth Proportional to 18,724.60, 25,839.70 and 10,227.51

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Solution

The fourth proportional to 18,724.60, 25,839.70 and 10,227.51 is: 14,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.60 : 25,839.70 = 10,227.51 : x
  2. Step 2: Convert to fraction form
    18,724.60/25,839.70 = 10,227.51/x
  3. Step 3: Cross multiply
    18,724.60x = 25,839.70 × 10,227.51
  4. Step 4: Simplify right side
    18,724.60x = 264,275,790.15
  5. Step 5: Solve for x
    x = 264,275,790.15/18,724.60
  6. Step 6: Final answer
    x = 14,113.83

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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.